diff --git a/NEWS.md b/NEWS.md
index b9150eeb6c..9df1fe14ff 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -30,6 +30,8 @@
   
 ## Documentation
 
+- A way to standardize roxygen labels and descriptions for function arguments was implemented and tested (#2034)
+
 ## Various
 
 # admiral 0.12.2
diff --git a/R/call_derivation.R b/R/call_derivation.R
index 6afa0c5b80..38ad64629c 100644
--- a/R/call_derivation.R
+++ b/R/call_derivation.R
@@ -3,7 +3,7 @@
 #' Call a single derivation multiple times with some parameters/arguments being fixed across
 #' iterations and others varying.
 #'
-#' @param dataset The input dataset
+#' @param dataset  `r roxygen_param_dataset()`
 #' @param derivation The derivation function to call
 #'
 #'   A function that performs a specific derivation is expected. A derivation
diff --git a/R/create_single_dose_dataset.R b/R/create_single_dose_dataset.R
index 1a0c782b24..936593cea0 100644
--- a/R/create_single_dose_dataset.R
+++ b/R/create_single_dose_dataset.R
@@ -185,10 +185,8 @@ dose_freq_lookup <- tribble(
 #' necessary when e.g. calculating last dose before an adverse event in `ADAE`
 #' or deriving a total dose parameter in `ADEX` when `EXDOSFRQ != ONCE`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The columns specified by `dose_freq`, `start_date` and the `end_date`
-#'   parameters are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("dose_freq", "start_date", "end_date"))`
 #'
 #' @param dose_freq The dose frequency
 #'
diff --git a/R/derive_adeg_params.R b/R/derive_adeg_params.R
index 05ae271421..5c8afc3a80 100644
--- a/R/derive_adeg_params.R
+++ b/R/derive_adeg_params.R
@@ -6,10 +6,9 @@
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_param_computed()`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` and the `unit_var` parameter,
-#'   `PARAMCD`, and `AVAL` are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars", "get_unit_expr"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
@@ -257,10 +256,9 @@ compute_qtc <- function(qt, rr, method) {
 #' The analysis value of the new parameter is derived as
 #' \deqn{\frac{60000}{HR}}{60000 / HR}
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter, `PARAMCD`, and `AVAL`
-#'   are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
diff --git a/R/derive_advs_params.R b/R/derive_advs_params.R
index 881db1b92f..06e646a90a 100644
--- a/R/derive_advs_params.R
+++ b/R/derive_advs_params.R
@@ -5,10 +5,9 @@
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_param_computed()`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter, `PARAMCD`, and
-#'   `AVAL` are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
@@ -226,10 +225,9 @@ compute_map <- function(diabp, sysbp, hr = NULL) {
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_param_computed()`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter, `PARAMCD`, and
-#'   `AVAL` are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
@@ -549,10 +547,9 @@ compute_bsa <- function(height = height,
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_param_computed()`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter, `PARAMCD`, and
-#'   `AVAL` are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
diff --git a/R/derive_basetype_records.R b/R/derive_basetype_records.R
index ef81d4cab4..c1b4cf85b9 100644
--- a/R/derive_basetype_records.R
+++ b/R/derive_basetype_records.R
@@ -12,9 +12,8 @@
 #' Adds the `BASETYPE` variable to a dataset and duplicates records based upon
 #' the provided conditions.
 #'
-#' @param dataset Input dataset
-#'
-#'   The columns specified in the expressions inside `basetypes` are required.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("basetypes"))`
 #'
 #' @param basetypes A *named* list of expressions created using the
 #' `rlang::exprs()` function
diff --git a/R/derive_date_vars.R b/R/derive_date_vars.R
index fd59df5145..1c65d29c44 100644
--- a/R/derive_date_vars.R
+++ b/R/derive_date_vars.R
@@ -1252,9 +1252,8 @@ compute_tmf <- function(dtc,
 #' impute, we only enable to impute up to a highest level, i.e. you couldn't
 #' choose to say impute months, but not days.
 #'
-#' @param dataset Input dataset.
-#'
-#'   The date character vector (`dtc`) must be present.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("dtc"))`
 #'
 #' @param new_vars_prefix Prefix used for the output variable(s).
 #'
@@ -1461,9 +1460,8 @@ derive_vars_dt <- function(dataset, # nolint: cyclocomp_linter
 #' impute, we only enable to impute up to a highest level, i.e. you couldn't
 #' choose to say impute months, but not days.
 #'
-#' @param dataset Input dataset
-#'
-#'   The date character vector (`dtc`) must be present.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("dtc"))`
 #'
 #' @param new_vars_prefix Prefix used for the output variable(s).
 #'
diff --git a/R/derive_expected_records.R b/R/derive_expected_records.R
index d7ba0e61e3..1369267729 100644
--- a/R/derive_expected_records.R
+++ b/R/derive_expected_records.R
@@ -3,10 +3,8 @@
 #' Add expected records as new observations for each 'by group' when the dataset
 #' contains missing observations.
 #'
-#' @param dataset Input dataset
-#'
-#'   A data frame, the columns from `dataset_ref` and specified by the
-#'   `by_vars` parameter are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("dataset_ref", "by_vars"))`
 #'
 #' @param dataset_expected_obs *Deprecated*, please use `dataset_ref` instead.
 #'
diff --git a/R/derive_extreme_records.R b/R/derive_extreme_records.R
index f8a0c64ce1..981e3d96ea 100644
--- a/R/derive_extreme_records.R
+++ b/R/derive_extreme_records.R
@@ -7,7 +7,7 @@
 #' distinguishes `derive_extreme_records()` from `derive_summary_records()`,
 #' where only the by variables are populated for the new records.
 #'
-#' @param dataset Input dataset
+#' @param dataset `r roxygen_param_dataset()`
 #'
 #'   If `dataset_add` is not specified, the new records are selected from the
 #'   input dataset. In this case the variables specified by `by_vars` and
@@ -92,6 +92,14 @@
 #'   automatically.
 #'
 #'
+#' @param keep_source_vars Variables to be kept in the new records
+#'
+#'   A named list or tidyselect expressions created by `exprs()` defining the
+#'   variables to be kept for the new records. The variables specified for
+#'   `by_vars` and `set_values_to` need not be specified here as they are kept
+#'   automatically.
+#'
+#'
 #' @inheritParams filter_extreme
 #' @inheritParams derive_summary_records
 #'
diff --git a/R/derive_joined.R b/R/derive_joined.R
index 1e0f5cff48..586f256360 100644
--- a/R/derive_joined.R
+++ b/R/derive_joined.R
@@ -6,9 +6,8 @@
 #' variables from both datasets. For example, add the lowest value (nadir)
 #' before the current observation.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by `by_vars` are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param dataset_add Additional dataset
 #'
diff --git a/R/derive_locf_records.R b/R/derive_locf_records.R
index 89f05f502f..55339fb16c 100644
--- a/R/derive_locf_records.R
+++ b/R/derive_locf_records.R
@@ -3,10 +3,8 @@
 #' Adds LOCF records as new observations for each 'by group' when the dataset
 #' does not contain observations for missed visits/time points.
 #'
-#' @param dataset Input dataset
-#'
-#'   The columns specified by the `by_vars`, `analysis_var`, `order`,
-#'   `keep_vars` parameters are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("by_vars", "analysis_var", "order", "keep_vars"))`
 #'
 #' @param dataset_expected_obs *Deprecated*, please use `dataset_ref` instead.
 #'
diff --git a/R/derive_merged.R b/R/derive_merged.R
index ea5b36a5d5..c93b158226 100644
--- a/R/derive_merged.R
+++ b/R/derive_merged.R
@@ -6,9 +6,8 @@
 #' (`filter_add` argument) and/or selecting the first or last observation for
 #' each by group (`order` and `mode` argument).
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` argument are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param dataset_add Additional dataset
 #'
@@ -710,9 +709,8 @@ get_not_mapped <- function() {
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_vars_merged`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` argument are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param dataset_add Additional dataset
 #'
diff --git a/R/derive_param_computed.R b/R/derive_param_computed.R
index ff48bcbe1c..4a9f1b1600 100644
--- a/R/derive_param_computed.R
+++ b/R/derive_param_computed.R
@@ -7,9 +7,9 @@
 #' blood pressure (DIABP) with the formula
 #' \deqn{MAP = \frac{SYSBP + 2 DIABP}{3}}{MAP = (SYSBP + 2 DIABP) / 3}
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'  `PARAMCD` is expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
@@ -428,7 +428,8 @@ assert_parameters_argument <- function(parameters, optional = TRUE) {
 #' The function creates temporary parameters and variables of the form
 #' `<variable>.<parameter>`, e.g., `AVAL.WEIGHT`.
 #'
-#' @param dataset Input dataset
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param by_vars By variables
 #'
diff --git a/R/derive_param_doseint.R b/R/derive_param_doseint.R
index 016af0088b..6a863e8891 100644
--- a/R/derive_param_doseint.R
+++ b/R/derive_param_doseint.R
@@ -8,10 +8,9 @@
 #' The analysis value of the new parameter is derived as
 #' Total Dose / Planned Dose * 100
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter, `PARAMCD`, and
-#'   `AVAL` are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
diff --git a/R/derive_param_exist_flag.R b/R/derive_param_exist_flag.R
index c3df01bad8..6ecad23db6 100644
--- a/R/derive_param_exist_flag.R
+++ b/R/derive_param_exist_flag.R
@@ -5,10 +5,9 @@
 #' function can derive a parameter indicating if there is measurable disease at
 #' baseline.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified for `by_vars` and the `PARAMCD` variable are
-#'   expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD` is expected as well.
 #'
 #' @param dataset_ref Reference dataset, e.g., ADSL
 #'
diff --git a/R/derive_param_exposure.R b/R/derive_param_exposure.R
index 652e9d2992..89d7e30bc3 100644
--- a/R/derive_param_exposure.R
+++ b/R/derive_param_exposure.R
@@ -3,10 +3,9 @@
 #' Add a record computed from the aggregated analysis value of another parameter and compute the
 #' start (`ASTDT(M)`)and end date (`AENDT(M)`) as the minimum and maximum date by `by_vars`.
 #'
-#' @param dataset Input dataset
-#'
-#'   + The variables specified by the `by_vars`,`analysis_var` parameters and `PARAMCD` are
-#'   expected,
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars", "analysis_var"))`
+#'   `PARAMCD` is expected as well,
 #'   + Either `ASTDTM` and `AENDTM` or `ASTDT` and `AENDT` are also expected.
 #'
 #' @param filter Filter condition
diff --git a/R/derive_param_extreme_record.R b/R/derive_param_extreme_record.R
index d14753b984..e55431b7ea 100644
--- a/R/derive_param_extreme_record.R
+++ b/R/derive_param_extreme_record.R
@@ -4,7 +4,7 @@
 #' source datasets, based on user-defined filter, order and by group criteria.
 #' All variables of the selected observation are kept.
 #'
-#' @param dataset Input dataset
+#' @param dataset `r roxygen_param_dataset()`
 #'
 #' @param sources Sources
 #'
diff --git a/R/derive_param_framingham.R b/R/derive_param_framingham.R
index 7f10bb234f..5186206151 100644
--- a/R/derive_param_framingham.R
+++ b/R/derive_param_framingham.R
@@ -4,10 +4,9 @@
 #' Adds a record for framingham score (FCVD101) for each by group
 #' (e.g., subject and visit) where the source parameters are available.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter, `PARAMCD`, and
-#'   `AVAL` are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset after restricting it by the filter condition (`filter`
diff --git a/R/derive_param_tte.R b/R/derive_param_tte.R
index 9b5069813d..db870381d1 100644
--- a/R/derive_param_tte.R
+++ b/R/derive_param_tte.R
@@ -2,9 +2,8 @@
 #'
 #' Add a time-to-event parameter to the input dataset.
 #'
-#' @param dataset Input dataset
-#'
-#'   The `PARAMCD` variable is expected.
+#' @param dataset `r roxygen_param_dataset()`
+#'   `PARAMCD` is expected.
 #'
 #' @param dataset_adsl ADSL input dataset
 #'
diff --git a/R/derive_param_wbc_abs.R b/R/derive_param_wbc_abs.R
index 60ec791326..5dc7a1e79d 100644
--- a/R/derive_param_wbc_abs.R
+++ b/R/derive_param_wbc_abs.R
@@ -4,10 +4,9 @@
 #'
 #' Add a parameter by converting lab differentials from fraction or percentage to absolute values
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` argument, `PARAMCD`, and `AVAL`
-#'   are expected to be present.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
+#'   `PARAMCD`, and `AVAL` are expected as well.
 #'
 #'   The variable specified by `by_vars` and `PARAMCD` must be a unique key of
 #'   the input dataset, and to the parameters specified by `wbc_code` and `diff_code`.
diff --git a/R/derive_summary_records.R b/R/derive_summary_records.R
index 9418e0cafd..76e936b6b9 100644
--- a/R/derive_summary_records.R
+++ b/R/derive_summary_records.R
@@ -11,7 +11,7 @@
 #' retain those common values in the newly derived records. Otherwise new value
 #' will be set to `NA`.
 #'
-#' @param dataset A data frame.
+#' @param dataset  `r roxygen_param_dataset(expected_vars = c("by_vars", "analysis_var"))`
 #'
 #' @param by_vars Variables to consider for generation of groupwise summary
 #'   records. Providing the names of variables in [exprs()] will create a
diff --git a/R/derive_var_analysis_ratio.R b/R/derive_var_analysis_ratio.R
index 98a35cce18..7a41ac6015 100644
--- a/R/derive_var_analysis_ratio.R
+++ b/R/derive_var_analysis_ratio.R
@@ -2,7 +2,8 @@
 #'
 #' Derives a ratio variable for a BDS dataset based on user specified variables.
 #'
-#' @param dataset Input dataset
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("numer_var", "denom_var"))`
 #'
 #' @param numer_var Variable containing numeric values to be used in the numerator of
 #'  the ratio calculation.
diff --git a/R/derive_var_anrind.R b/R/derive_var_anrind.R
index 909e5b452c..ae37f01591 100644
--- a/R/derive_var_anrind.R
+++ b/R/derive_var_anrind.R
@@ -1,6 +1,10 @@
 #' Derive Reference Range Indicator
 #'
-#' @param dataset The input dataset
+#' @param dataset
+#'   `r roxygen_param_dataset()`
+#'   `ANRLO`, `ANRHI`, and `AVAL` are expected and if `use_a1hia1lo` is set to `TRUE`,
+#'   `A1LO` and `A1H1` are expected as well.
+#'
 #' @param use_a1hia1lo A logical value indicating whether to use `A1H1` and `A1LO` in
 #' the derivation of `ANRIND`.
 #'
diff --git a/R/derive_var_atoxgr.R b/R/derive_var_atoxgr.R
index 1addcf86f2..7cb8467250 100644
--- a/R/derive_var_atoxgr.R
+++ b/R/derive_var_atoxgr.R
@@ -3,9 +3,8 @@
 #' @description
 #' Derives a character lab grade based on severity/toxicity criteria.
 #'
-#' @param dataset Input data set
-#'
-#'   The columns specified by `tox_description_var` parameter is expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("tox_description_var"))`
 #'
 #' @param new_var Name of the character grade variable to create, for example, `ATOXGRH`
 #' or `ATOXGRL`.
@@ -246,10 +245,9 @@ derive_var_atoxgr_dir <- function(dataset,
 #'
 #' Derives character lab grade based on high and low severity/toxicity grade(s).
 #'
-#' @param dataset Input data set
-#'
-#'   The columns `ATOXGRL`, `ATOXGRH` and specified by `lotox_description_var`,
-#'   and `hitox_description_var` parameters are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("lotox_description_var", "hitox_description_var"))`
+#'   `ATOXGRL`, and `ATOXGRH` are expected as well.
 #'
 #' @param lotox_description_var Variable containing the toxicity grade description
 #' for low values, eg. "Anemia"
diff --git a/R/derive_var_base.R b/R/derive_var_base.R
index 5f88f582bf..af60e1d676 100644
--- a/R/derive_var_base.R
+++ b/R/derive_var_base.R
@@ -4,7 +4,7 @@
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_vars_merged()`.
 #'
-#' @param dataset The input dataset
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("by_vars", "source_var"))`
 #'
 #' @param by_vars Grouping variables uniquely identifying a set
 #'        of records for which to calculate `new_var`
diff --git a/R/derive_var_chg.R b/R/derive_var_chg.R
index 3a0ca93f03..0d913d4437 100644
--- a/R/derive_var_chg.R
+++ b/R/derive_var_chg.R
@@ -4,6 +4,8 @@
 #'
 #' @param dataset The input dataset. Required variables are `AVAL` and
 #' `BASE`.
+#' @param dataset
+#'   `r roxygen_param_dataset()` `AVAL` and `BASE` are expected.
 #'
 #' @details
 #' Change from baseline is calculated by subtracting the baseline value
diff --git a/R/derive_var_dthcaus.R b/R/derive_var_dthcaus.R
index 084182fa8d..f3f74631fb 100644
--- a/R/derive_var_dthcaus.R
+++ b/R/derive_var_dthcaus.R
@@ -2,9 +2,8 @@
 #'
 #' Derive death cause (`DTHCAUS`) and add traceability variables if required.
 #'
-#' @param dataset Input dataset.
-#'
-#'   The variables specified by `subject_keys` are required.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("subject_keys"))`
 #'
 #' @param source_datasets A named `list` containing datasets in which to search for the
 #'   death cause
diff --git a/R/derive_var_extreme_date.R b/R/derive_var_extreme_date.R
index f30e9e1c0b..c4611189c6 100644
--- a/R/derive_var_extreme_date.R
+++ b/R/derive_var_extreme_date.R
@@ -3,9 +3,8 @@
 #' Add the first or last datetime from multiple sources to the dataset, e.g.,
 #' the last known alive datetime (`LSTALVDTM`).
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by `subject_keys` are required.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("subject_keys"))`
 #'
 #' @param new_var Name of variable to create
 #'
diff --git a/R/derive_var_extreme_flag.R b/R/derive_var_extreme_flag.R
index 8cca038477..120e8e4e47 100644
--- a/R/derive_var_extreme_flag.R
+++ b/R/derive_var_extreme_flag.R
@@ -2,9 +2,8 @@
 #'
 #' Add a variable flagging the first or last observation within each by group
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param order Sort order
 #'
diff --git a/R/derive_var_joined_exist_flag.R b/R/derive_var_joined_exist_flag.R
index fd61afa929..fece51a587 100644
--- a/R/derive_var_joined_exist_flag.R
+++ b/R/derive_var_joined_exist_flag.R
@@ -10,10 +10,8 @@
 #' response value can be confirmed by an other assessment. This is commonly
 #' used in endpoints such as best overall response.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` and `join_vars` parameter are
-#'   expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars", "join_vars"))`
 #'
 #' @param by_vars By variables
 #'
diff --git a/R/derive_var_obs_number.R b/R/derive_var_obs_number.R
index ffa425263f..46bcbef97d 100644
--- a/R/derive_var_obs_number.R
+++ b/R/derive_var_obs_number.R
@@ -2,10 +2,8 @@
 #'
 #' Adds a variable numbering the observations within each by group
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `order` and the `by_vars` parameter are
-#'   expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars", "order"))`
 #'
 #' @param by_vars Grouping variables
 #'
diff --git a/R/derive_var_ontrtfl.R b/R/derive_var_ontrtfl.R
index e3a6ddebb1..64eab8116b 100644
--- a/R/derive_var_ontrtfl.R
+++ b/R/derive_var_ontrtfl.R
@@ -4,7 +4,7 @@
 #' assessment date (e.g `ADT`) or event start and end dates (e.g.
 #' `ASTDT`/`AENDT`).
 #'
-#' @param dataset Input dataset.
+#' @param dataset `r roxygen_param_dataset()`
 #'
 #'   Required columns are `start_date`, `end_date`, `ref_start_date` and
 #'   `ref_end_date`.
diff --git a/R/derive_var_pchg.R b/R/derive_var_pchg.R
index 035ab479f6..03ac7e8c30 100644
--- a/R/derive_var_pchg.R
+++ b/R/derive_var_pchg.R
@@ -2,8 +2,8 @@
 #'
 #' Derive percent change from baseline (`PCHG`) in a BDS dataset
 #'
-#' @param dataset The input dataset. Required variables are `AVAL` and
-#' `BASE`.
+#' @param dataset `r roxygen_param_dataset()`
+#' `AVAL` and `BASE` are expected.
 #'
 #' @details
 #' Percent change from baseline is calculated by dividing change from
diff --git a/R/derive_var_relative_flag.R b/R/derive_var_relative_flag.R
index 42883f1c45..a2295d85ce 100644
--- a/R/derive_var_relative_flag.R
+++ b/R/derive_var_relative_flag.R
@@ -5,10 +5,8 @@
 #' called to flag for each subject all observations before the first disease
 #' progression or to flag all AEs after a specific AE.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `order` and the `by_vars` argument are
-#'   expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars", "order"))`
 #'
 #' @param by_vars Grouping variables
 #'
diff --git a/R/derive_var_shift.R b/R/derive_var_shift.R
index f02600bbb6..38dfe85e8d 100644
--- a/R/derive_var_shift.R
+++ b/R/derive_var_shift.R
@@ -4,9 +4,8 @@
 #' values based on user-defined pairing, e.g., shift from baseline to
 #' analysis value, shift from baseline grade to analysis grade, ...
 #'
-#' @param dataset Input dataset
-#'
-#'   The columns specified by `from_var` and the `to_var` parameters are expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("from_var", "to_var"))`
 #'
 #' @param new_var Name of the character shift variable to create.
 #'
diff --git a/R/derive_var_trtdurd.R b/R/derive_var_trtdurd.R
index d2e3e46042..88c36c0c00 100644
--- a/R/derive_var_trtdurd.R
+++ b/R/derive_var_trtdurd.R
@@ -4,10 +4,8 @@
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_vars_duration()`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The columns specified by the `start_date` and the `end_date` parameter are
-#'   expected.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("start_date", "end_date"))`
 #'
 #' @param start_date The start date
 #'
diff --git a/R/derive_var_trtemfl.R b/R/derive_var_trtemfl.R
index dc88db41db..ef09e50296 100644
--- a/R/derive_var_trtemfl.R
+++ b/R/derive_var_trtemfl.R
@@ -2,7 +2,7 @@
 #'
 #' Derive treatment emergent analysis flag (e.g., `TRTEMFL`).
 #'
-#' @param dataset Input dataset
+#' @param dataset `r roxygen_param_dataset()`
 #'
 #'   The variables specified by `start_date`, `end_date`, `trt_start_date`,
 #'   `trt_end_date`, `initial_intensity`, and `intensity` are expected.
diff --git a/R/derive_vars_aage.R b/R/derive_vars_aage.R
index 8e4afc3e31..18ad0c95f8 100644
--- a/R/derive_vars_aage.R
+++ b/R/derive_vars_aage.R
@@ -6,10 +6,8 @@
 #'
 #' @inheritParams derive_vars_duration
 #'
-#' @param dataset Input dataset
-#'
-#'   The columns specified by the `start_date` and the `end_date` parameter are
-#'   expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("start_date", "end_date"))`
 #'
 #' @param start_date The start date
 #'
@@ -120,9 +118,8 @@ derive_vars_aage <- function(dataset,
 #' units given in the `age_var+U` variable or `age_unit` argument and stores
 #' in a new variable (`new_var`).
 #'
-#' @param dataset Input dataset.
-#'
-#'   The column specified by the `age_var` argument is expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("age_var"))`
 #'
 #' @param age_var Age variable.
 #'
diff --git a/R/derive_vars_dtm_to_dt.R b/R/derive_vars_dtm_to_dt.R
index 7b1a74078d..a073a62adf 100644
--- a/R/derive_vars_dtm_to_dt.R
+++ b/R/derive_vars_dtm_to_dt.R
@@ -2,7 +2,8 @@
 #'
 #' This function creates date(s) as output from datetime variable(s)
 #'
-#' @param dataset Input dataset
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("source_vars"))`
 #'
 #' @param source_vars A list of datetime variables created using `exprs()` from
 #'   which dates are to be extracted
diff --git a/R/derive_vars_dtm_to_tm.R b/R/derive_vars_dtm_to_tm.R
index 5a094b2fd1..8a4d64520b 100644
--- a/R/derive_vars_dtm_to_tm.R
+++ b/R/derive_vars_dtm_to_tm.R
@@ -2,7 +2,8 @@
 #'
 #' This function creates time variable(s) as output from datetime variable(s)
 #'
-#' @param dataset Input dataset
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("source_vars"))`
 #'
 #' @param source_vars A list of datetime variables created using `exprs()` from
 #'   which time is to be extracted
diff --git a/R/derive_vars_duration.R b/R/derive_vars_duration.R
index 2b46e4b6ae..3734b84cd4 100644
--- a/R/derive_vars_duration.R
+++ b/R/derive_vars_duration.R
@@ -3,10 +3,8 @@
 #' Derives duration between two dates, specified by the variables present in
 #' input dataset e.g., duration of adverse events, relative day, age, ...
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `start_date` and the `end_date` parameter are
-#'   expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("start_date", "end_date"))`
 #'
 #' @param new_var Name of variable to create
 #'
diff --git a/R/derive_vars_dy.R b/R/derive_vars_dy.R
index e6d2d515f3..82de671881 100644
--- a/R/derive_vars_dy.R
+++ b/R/derive_vars_dy.R
@@ -3,10 +3,8 @@
 #' Adds relative day variables (`--DY`) to the dataset, e.g., `ASTDY` and
 #' `AENDY`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The columns specified by the `reference_date` and the `source_vars`
-#'   parameter are expected.
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("reference_date", "source_vars"))`
 #'
 #' @param reference_date A date or date-time column, e.g., date of first treatment
 #'   or date-time of last exposure to treatment.
diff --git a/R/derive_vars_query.R b/R/derive_vars_query.R
index 6604ccf9bd..ca9025f8d3 100644
--- a/R/derive_vars_query.R
+++ b/R/derive_vars_query.R
@@ -26,7 +26,7 @@
 #'   `GRPID`, `SCOPE`, and `SCOPEN` respectively,
 #'   whenever not missing.
 #'
-#' @param dataset Input dataset.
+#' @param dataset `r roxygen_param_dataset()`
 #'
 #' @param dataset_queries A dataset containing required columns `PREFIX`,
 #' `GRPNAME`, `SRCVAR`, `TERMNAME`, `TERMID`, and optional columns
diff --git a/R/derive_vars_transposed.R b/R/derive_vars_transposed.R
index 1ae95521b7..d91e32d2cf 100644
--- a/R/derive_vars_transposed.R
+++ b/R/derive_vars_transposed.R
@@ -2,9 +2,8 @@
 #'
 #' Adds variables from a vertical dataset after transposing it into a wide one.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter are required
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param dataset_merge Dataset to transpose and merge
 #'
@@ -102,9 +101,8 @@ derive_vars_transposed <- function(dataset,
 #'
 #' **Note:** This is a wrapper function for the more generic `derive_vars_transposed()`.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `by_vars` parameter are required
+#' @param dataset
+#'   `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param dataset_facm FACM dataset
 #'
diff --git a/R/duplicates.R b/R/duplicates.R
index 43a48e9feb..f4520d84fa 100644
--- a/R/duplicates.R
+++ b/R/duplicates.R
@@ -35,7 +35,7 @@ get_duplicates_dataset <- function() {
 
 #' Extract Duplicate Records
 #'
-#' @param dataset A data frame
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #' @param by_vars A list of expressions created using `exprs()` identifying
 #'   groups of records in which to look for duplicates
 #'
@@ -78,7 +78,7 @@ extract_duplicate_records <- function(dataset, by_vars) {
 
 #' Signal Duplicate Records
 #'
-#' @param dataset A data frame
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #' @param by_vars A list of expressions created using `exprs()` identifying
 #'   groups of records in which to look for duplicates
 #' @param msg The condition message
diff --git a/R/filter_exist.R b/R/filter_exist.R
index b842b02a2a..17de6f306e 100644
--- a/R/filter_exist.R
+++ b/R/filter_exist.R
@@ -5,9 +5,7 @@
 #' this could be used to return ADSL records for subjects that experienced a certain
 #' adverse event during the course of the study (as per records in ADAE).
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified in the `by_vars` parameter are expected in this dataset.
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("by_vars"))`
 #'
 #' @param dataset_add Source dataset
 #'
diff --git a/R/filter_extreme.R b/R/filter_extreme.R
index 8dab991b4f..c08a60646e 100644
--- a/R/filter_extreme.R
+++ b/R/filter_extreme.R
@@ -2,10 +2,7 @@
 #'
 #' Filters the first or last observation for each by group.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `order` and the `by_vars` parameter are
-#'   expected.
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("by_vars", "order"))`
 #'
 #' @param by_vars Grouping variables
 #'
diff --git a/R/filter_joined.R b/R/filter_joined.R
index 1d85e6cfdb..d39e4d1ceb 100644
--- a/R/filter_joined.R
+++ b/R/filter_joined.R
@@ -16,10 +16,7 @@
 #' response value can be confirmed by a subsequent assessment. This is commonly
 #' used in endpoints such as best overall response.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified for `by_vars`, `join_vars`, and `order` are
-#'   expected.
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("by_vars", "order", "join_vars"))`
 #'
 #' @param by_vars By variables
 #'
diff --git a/R/filter_relative.R b/R/filter_relative.R
index 34c57d796b..aa38420db8 100644
--- a/R/filter_relative.R
+++ b/R/filter_relative.R
@@ -5,10 +5,7 @@
 #' called to select for each subject all observations before the first disease
 #' progression.
 #'
-#' @param dataset Input dataset
-#'
-#'   The variables specified by the `order` and the `by_vars` parameter are
-#'   expected.
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("by_vars", "order"))`
 #'
 #' @param by_vars Grouping variables
 #'
diff --git a/R/get_summary_records.R b/R/get_summary_records.R
index bc32316034..9de71fcd98 100644
--- a/R/get_summary_records.R
+++ b/R/get_summary_records.R
@@ -18,7 +18,8 @@
 #' to the original dataset observations. If you would like to this instead,
 #' see the `derive_summary_records()` function.
 #'
-#' @param dataset A data frame.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("by_vars", "analysis_var"))`
 #'
 #' @param by_vars Variables to consider for generation of groupwise summary
 #'   records. Providing the names of variables in [exprs()] will create a
diff --git a/R/period_dataset.R b/R/period_dataset.R
index f16998e8ab..a57b330cf1 100644
--- a/R/period_dataset.R
+++ b/R/period_dataset.R
@@ -6,11 +6,10 @@
 #' `APERIOD`, `APERSDT`, `APEREDT`, `TRTA`, `APHASEN`, `PHSDTM`, `PHEDTM`, ...
 #' in OCCDS and BDS datasets.
 #'
-#' @param dataset ADSL dataset
-#'
-#'   The variables specified by `new_vars` and `subject_keys` are expected. For
-#'   each element of `new_vars` at least one variable of the form of the right
-#'   hand side value must be available in the dataset.
+#' @param dataset
+#' `r roxygen_param_dataset(expected_vars = c("new_vars", "subject_keys"))`
+#' For each element of `new_vars` at least one variable of the form of the right
+#' hand side value must be available in the dataset.
 #'
 #' @param new_vars New variables
 #'
@@ -232,9 +231,7 @@ create_period_dataset <- function(dataset,
 #' reference dataset which has one observations per patient and subperiod,
 #' period, or phase.
 #'
-#' @param dataset ADSL dataset
-#'
-#'   The variables specified by `subject_keys` are expected.
+#' @param dataset `r roxygen_param_dataset(expected_vars = c("subject_keys"))`
 #'
 #' @param dataset_ref Period reference dataset
 #'
diff --git a/R/restrict_derivation.R b/R/restrict_derivation.R
index 7a5605e7b4..ac0d6d5657 100644
--- a/R/restrict_derivation.R
+++ b/R/restrict_derivation.R
@@ -2,7 +2,7 @@
 #'
 #' Execute a derivation on a subset of the input dataset.
 #'
-#' @param dataset Input dataset
+#' @param dataset `r roxygen_param_dataset()`
 #'
 #' @param derivation Derivation
 #'
diff --git a/R/roxygen2.R b/R/roxygen2.R
new file mode 100644
index 0000000000..f37a44b158
--- /dev/null
+++ b/R/roxygen2.R
@@ -0,0 +1,16 @@
+# THIS FILE INCLUDES FUNCTION THAT ARE RE-USED THROUGHOUT
+# roxygen2 COMMENTS TO GENERATE DOCUMENTATION TEXT
+
+roxygen_param_dataset <- function(expected_vars = NULL) {
+  if (is.null(expected_vars)) {
+    dataset_text <- "Input dataset"
+  } else {
+    dataset_text <- paste0(
+      "Input dataset \n \n",
+      "The variables specified by the ",
+      enumerate(expected_vars),
+      " argument(s) to be expected."
+    )
+  }
+  return(dataset_text)
+}
diff --git a/R/slice_derivation.R b/R/slice_derivation.R
index 2a4eb39056..c0c4a94ab7 100644
--- a/R/slice_derivation.R
+++ b/R/slice_derivation.R
@@ -4,7 +4,7 @@
 #' derivation is called separately. Some or all arguments of the derivation
 #' may vary depending on the slice.
 #'
-#' @param dataset Input dataset
+#' @param dataset `r roxygen_param_dataset()`
 #'
 #' @param derivation Derivation
 #'
diff --git a/man/call_derivation.Rd b/man/call_derivation.Rd
index 313cef60c5..79c795f5e9 100644
--- a/man/call_derivation.Rd
+++ b/man/call_derivation.Rd
@@ -7,7 +7,7 @@
 call_derivation(dataset = NULL, derivation, variable_params, ...)
 }
 \arguments{
-\item{dataset}{The input dataset}
+\item{dataset}{Input dataset}
 
 \item{derivation}{The derivation function to call
 
diff --git a/man/create_period_dataset.Rd b/man/create_period_dataset.Rd
index 8a6f99bf3f..64086f3002 100644
--- a/man/create_period_dataset.Rd
+++ b/man/create_period_dataset.Rd
@@ -11,10 +11,10 @@ create_period_dataset(
 )
 }
 \arguments{
-\item{dataset}{ADSL dataset
+\item{dataset}{Input dataset
 
-The variables specified by \code{new_vars} and \code{subject_keys} are expected. For
-each element of \code{new_vars} at least one variable of the form of the right
+The variables specified by the \code{new_vars} and \code{subject_keys} argument(s) to be expected.
+For each element of \code{new_vars} at least one variable of the form of the right
 hand side value must be available in the dataset.}
 
 \item{new_vars}{New variables
diff --git a/man/create_single_dose_dataset.Rd b/man/create_single_dose_dataset.Rd
index fc4e10c82d..70d314fd0d 100644
--- a/man/create_single_dose_dataset.Rd
+++ b/man/create_single_dose_dataset.Rd
@@ -21,8 +21,7 @@ create_single_dose_dataset(
 \arguments{
 \item{dataset}{Input dataset
 
-The columns specified by \code{dose_freq}, \code{start_date} and the \code{end_date}
-parameters are expected.}
+The variables specified by the \code{dose_freq}, \code{start_date} and \code{end_date} argument(s) to be expected.}
 
 \item{dose_freq}{The dose frequency
 
diff --git a/man/derive_basetype_records.Rd b/man/derive_basetype_records.Rd
index 44b88473c3..1bc0d42fa1 100644
--- a/man/derive_basetype_records.Rd
+++ b/man/derive_basetype_records.Rd
@@ -9,7 +9,7 @@ derive_basetype_records(dataset, basetypes)
 \arguments{
 \item{dataset}{Input dataset
 
-The columns specified in the expressions inside \code{basetypes} are required.}
+The variables specified by the \code{basetypes} argument(s) to be expected.}
 
 \item{basetypes}{A \emph{named} list of expressions created using the
 \code{rlang::exprs()} function
diff --git a/man/derive_expected_records.Rd b/man/derive_expected_records.Rd
index 146b48ff60..43bbe10b66 100644
--- a/man/derive_expected_records.Rd
+++ b/man/derive_expected_records.Rd
@@ -15,8 +15,7 @@ derive_expected_records(
 \arguments{
 \item{dataset}{Input dataset
 
-A data frame, the columns from \code{dataset_ref} and specified by the
-\code{by_vars} parameter are expected.}
+The variables specified by the \code{dataset_ref} and \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_expected_obs}{\emph{Deprecated}, please use \code{dataset_ref} instead.}
 
diff --git a/man/derive_extreme_event.Rd b/man/derive_extreme_event.Rd
index 21b4e90564..4e6b58af41 100644
--- a/man/derive_extreme_event.Rd
+++ b/man/derive_extreme_event.Rd
@@ -20,8 +20,7 @@ derive_extreme_event(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{order} and the \code{by_vars} parameter are
-expected.}
+The variables specified by the \code{by_vars} and \code{order} argument(s) to be expected.}
 
 \item{by_vars}{Grouping variables
 
diff --git a/man/derive_locf_records.Rd b/man/derive_locf_records.Rd
index 5f500aaf0b..dc8cb92d95 100644
--- a/man/derive_locf_records.Rd
+++ b/man/derive_locf_records.Rd
@@ -17,8 +17,7 @@ derive_locf_records(
 \arguments{
 \item{dataset}{Input dataset
 
-The columns specified by the \code{by_vars}, \code{analysis_var}, \code{order},
-\code{keep_vars} parameters are expected.}
+The variables specified by the \code{by_vars}, \code{analysis_var}, \code{order} and \code{keep_vars} argument(s) to be expected.}
 
 \item{dataset_expected_obs}{\emph{Deprecated}, please use \code{dataset_ref} instead.}
 
diff --git a/man/derive_param_bmi.Rd b/man/derive_param_bmi.Rd
index 5674f1007c..ecca7410dc 100644
--- a/man/derive_param_bmi.Rd
+++ b/man/derive_param_bmi.Rd
@@ -18,8 +18,8 @@ derive_param_bmi(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter, \code{PARAMCD}, and
-\code{AVAL} are expected.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_bsa.Rd b/man/derive_param_bsa.Rd
index 6295555c54..78a98814e6 100644
--- a/man/derive_param_bsa.Rd
+++ b/man/derive_param_bsa.Rd
@@ -19,8 +19,8 @@ derive_param_bsa(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter, \code{PARAMCD}, and
-\code{AVAL} are expected.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_computed.Rd b/man/derive_param_computed.Rd
index 12cdf77ec6..88002805cb 100644
--- a/man/derive_param_computed.Rd
+++ b/man/derive_param_computed.Rd
@@ -21,7 +21,8 @@ derive_param_computed(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter are expected.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD} is expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_doseint.Rd b/man/derive_param_doseint.Rd
index f67b68afff..877ac7d3ad 100644
--- a/man/derive_param_doseint.Rd
+++ b/man/derive_param_doseint.Rd
@@ -17,8 +17,8 @@ derive_param_doseint(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter, \code{PARAMCD}, and
-\code{AVAL} are expected.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_exist_flag.Rd b/man/derive_param_exist_flag.Rd
index 7431e6308d..f56fdbb032 100644
--- a/man/derive_param_exist_flag.Rd
+++ b/man/derive_param_exist_flag.Rd
@@ -20,8 +20,8 @@ derive_param_exist_flag(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified for \code{by_vars} and the \code{PARAMCD} variable are
-expected.}
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD} is expected as well.}
 
 \item{dataset_ref}{Reference dataset, e.g., ADSL
 
diff --git a/man/derive_param_exposure.Rd b/man/derive_param_exposure.Rd
index 5f0d4fd0be..c946090150 100644
--- a/man/derive_param_exposure.Rd
+++ b/man/derive_param_exposure.Rd
@@ -16,9 +16,10 @@ derive_param_exposure(
 }
 \arguments{
 \item{dataset}{Input dataset
+
+The variables specified by the \code{by_vars} and \code{analysis_var} argument(s) to be expected.
+\code{PARAMCD} is expected as well,
 \itemize{
-\item The variables specified by the \code{by_vars},\code{analysis_var} parameters and \code{PARAMCD} are
-expected,
 \item Either \code{ASTDTM} and \code{AENDTM} or \code{ASTDT} and \code{AENDT} are also expected.
 }}
 
diff --git a/man/derive_param_framingham.Rd b/man/derive_param_framingham.Rd
index 26a89ff1f7..8aec00eec6 100644
--- a/man/derive_param_framingham.Rd
+++ b/man/derive_param_framingham.Rd
@@ -24,8 +24,8 @@ derive_param_framingham(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter, \code{PARAMCD}, and
-\code{AVAL} are expected.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_map.Rd b/man/derive_param_map.Rd
index 93b412d356..472e26bd56 100644
--- a/man/derive_param_map.Rd
+++ b/man/derive_param_map.Rd
@@ -18,8 +18,8 @@ derive_param_map(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter, \code{PARAMCD}, and
-\code{AVAL} are expected.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_qtc.Rd b/man/derive_param_qtc.Rd
index 512945e8b0..594b7b1cd3 100644
--- a/man/derive_param_qtc.Rd
+++ b/man/derive_param_qtc.Rd
@@ -18,8 +18,8 @@ derive_param_qtc(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} and the \code{unit_var} parameter,
-\code{PARAMCD}, and \code{AVAL} are expected.
+The variables specified by the \code{by_vars} and \code{get_unit_expr} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_rr.Rd b/man/derive_param_rr.Rd
index f6ba8b9add..ddf944a837 100644
--- a/man/derive_param_rr.Rd
+++ b/man/derive_param_rr.Rd
@@ -16,8 +16,8 @@ derive_param_rr(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter, \code{PARAMCD}, and \code{AVAL}
-are expected.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset after restricting it by the filter condition (\code{filter}
diff --git a/man/derive_param_tte.Rd b/man/derive_param_tte.Rd
index 4177cbf61f..dc17c2b7f7 100644
--- a/man/derive_param_tte.Rd
+++ b/man/derive_param_tte.Rd
@@ -19,8 +19,7 @@ derive_param_tte(
 }
 \arguments{
 \item{dataset}{Input dataset
-
-The \code{PARAMCD} variable is expected.}
+\code{PARAMCD} is expected.}
 
 \item{dataset_adsl}{ADSL input dataset
 
diff --git a/man/derive_param_wbc_abs.Rd b/man/derive_param_wbc_abs.Rd
index e2278299b9..15c8555dc6 100644
--- a/man/derive_param_wbc_abs.Rd
+++ b/man/derive_param_wbc_abs.Rd
@@ -18,8 +18,8 @@ derive_param_wbc_abs(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} argument, \code{PARAMCD}, and \code{AVAL}
-are expected to be present.
+The variables specified by the \code{by_vars} argument(s) to be expected.
+\code{PARAMCD}, and \code{AVAL} are expected as well.
 
 The variable specified by \code{by_vars} and \code{PARAMCD} must be a unique key of
 the input dataset, and to the parameters specified by \code{wbc_code} and \code{diff_code}.}
diff --git a/man/derive_summary_records.Rd b/man/derive_summary_records.Rd
index 05281d4767..6f4154e20a 100644
--- a/man/derive_summary_records.Rd
+++ b/man/derive_summary_records.Rd
@@ -14,7 +14,9 @@ derive_summary_records(
 )
 }
 \arguments{
-\item{dataset}{A data frame.}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{by_vars} and \code{analysis_var} argument(s) to be expected.}
 
 \item{by_vars}{Variables to consider for generation of groupwise summary
 records. Providing the names of variables in \code{\link[=exprs]{exprs()}} will create a
diff --git a/man/derive_var_age_years.Rd b/man/derive_var_age_years.Rd
index cee141541c..2f0361f722 100644
--- a/man/derive_var_age_years.Rd
+++ b/man/derive_var_age_years.Rd
@@ -7,9 +7,9 @@
 derive_var_age_years(dataset, age_var, age_unit = NULL, new_var)
 }
 \arguments{
-\item{dataset}{Input dataset.
+\item{dataset}{Input dataset
 
-The column specified by the \code{age_var} argument is expected.}
+The variables specified by the \code{age_var} argument(s) to be expected.}
 
 \item{age_var}{Age variable.
 
diff --git a/man/derive_var_analysis_ratio.Rd b/man/derive_var_analysis_ratio.Rd
index 6272963e46..d7b3059558 100644
--- a/man/derive_var_analysis_ratio.Rd
+++ b/man/derive_var_analysis_ratio.Rd
@@ -7,7 +7,9 @@
 derive_var_analysis_ratio(dataset, numer_var, denom_var, new_var = NULL)
 }
 \arguments{
-\item{dataset}{Input dataset}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{numer_var} and \code{denom_var} argument(s) to be expected.}
 
 \item{numer_var}{Variable containing numeric values to be used in the numerator of
 the ratio calculation.}
diff --git a/man/derive_var_anrind.Rd b/man/derive_var_anrind.Rd
index 6329f74bc4..b7a0999c7f 100644
--- a/man/derive_var_anrind.Rd
+++ b/man/derive_var_anrind.Rd
@@ -7,7 +7,9 @@
 derive_var_anrind(dataset, use_a1hia1lo = FALSE)
 }
 \arguments{
-\item{dataset}{The input dataset}
+\item{dataset}{Input dataset
+\code{ANRLO}, \code{ANRHI}, and \code{AVAL} are expected and if \code{use_a1hia1lo} is set to \code{TRUE},
+\code{A1LO} and \code{A1H1} are expected as well.}
 
 \item{use_a1hia1lo}{A logical value indicating whether to use \code{A1H1} and \code{A1LO} in
 the derivation of \code{ANRIND}.}
diff --git a/man/derive_var_atoxgr.Rd b/man/derive_var_atoxgr.Rd
index dab904a4e0..66fc8051ad 100644
--- a/man/derive_var_atoxgr.Rd
+++ b/man/derive_var_atoxgr.Rd
@@ -11,10 +11,10 @@ derive_var_atoxgr(
 )
 }
 \arguments{
-\item{dataset}{Input data set
+\item{dataset}{Input dataset
 
-The columns \code{ATOXGRL}, \code{ATOXGRH} and specified by \code{lotox_description_var},
-and \code{hitox_description_var} parameters are expected.}
+The variables specified by the \code{lotox_description_var} and \code{hitox_description_var} argument(s) to be expected.
+\code{ATOXGRL}, and \code{ATOXGRH} are expected as well.}
 
 \item{lotox_description_var}{Variable containing the toxicity grade description
 for low values, eg. "Anemia"}
diff --git a/man/derive_var_atoxgr_dir.Rd b/man/derive_var_atoxgr_dir.Rd
index ed8e9b40d3..d9b2d5719b 100644
--- a/man/derive_var_atoxgr_dir.Rd
+++ b/man/derive_var_atoxgr_dir.Rd
@@ -15,9 +15,9 @@ derive_var_atoxgr_dir(
 )
 }
 \arguments{
-\item{dataset}{Input data set
+\item{dataset}{Input dataset
 
-The columns specified by \code{tox_description_var} parameter is expected.}
+The variables specified by the \code{tox_description_var} argument(s) to be expected.}
 
 \item{new_var}{Name of the character grade variable to create, for example, \code{ATOXGRH}
 or \code{ATOXGRL}.}
diff --git a/man/derive_var_base.Rd b/man/derive_var_base.Rd
index 807057db36..aa4e90c893 100644
--- a/man/derive_var_base.Rd
+++ b/man/derive_var_base.Rd
@@ -13,7 +13,9 @@ derive_var_base(
 )
 }
 \arguments{
-\item{dataset}{The input dataset}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{by_vars} and \code{source_var} argument(s) to be expected.}
 
 \item{by_vars}{Grouping variables uniquely identifying a set
 of records for which to calculate \code{new_var}}
diff --git a/man/derive_var_chg.Rd b/man/derive_var_chg.Rd
index 5a0b8de486..8a8df5a60b 100644
--- a/man/derive_var_chg.Rd
+++ b/man/derive_var_chg.Rd
@@ -7,8 +7,7 @@
 derive_var_chg(dataset)
 }
 \arguments{
-\item{dataset}{The input dataset. Required variables are \code{AVAL} and
-\code{BASE}.}
+\item{dataset}{Input dataset \code{AVAL} and \code{BASE} are expected.}
 }
 \value{
 The input dataset with an additional column named \code{CHG}
diff --git a/man/derive_var_dthcaus.Rd b/man/derive_var_dthcaus.Rd
index b94ba192d9..f4959dc96d 100644
--- a/man/derive_var_dthcaus.Rd
+++ b/man/derive_var_dthcaus.Rd
@@ -12,9 +12,9 @@ derive_var_dthcaus(
 )
 }
 \arguments{
-\item{dataset}{Input dataset.
+\item{dataset}{Input dataset
 
-The variables specified by \code{subject_keys} are required.}
+The variables specified by the \code{subject_keys} argument(s) to be expected.}
 
 \item{...}{Objects of class "dthcaus_source" created by \code{\link[=dthcaus_source]{dthcaus_source()}}.}
 
diff --git a/man/derive_var_extreme_dt.Rd b/man/derive_var_extreme_dt.Rd
index 33eca0f7de..e9052f35eb 100644
--- a/man/derive_var_extreme_dt.Rd
+++ b/man/derive_var_extreme_dt.Rd
@@ -16,7 +16,7 @@ derive_var_extreme_dt(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by \code{subject_keys} are required.}
+The variables specified by the \code{subject_keys} argument(s) to be expected.}
 
 \item{new_var}{Name of variable to create}
 
diff --git a/man/derive_var_extreme_dtm.Rd b/man/derive_var_extreme_dtm.Rd
index 2a891d5d13..309e593770 100644
--- a/man/derive_var_extreme_dtm.Rd
+++ b/man/derive_var_extreme_dtm.Rd
@@ -16,7 +16,7 @@ derive_var_extreme_dtm(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by \code{subject_keys} are required.}
+The variables specified by the \code{subject_keys} argument(s) to be expected.}
 
 \item{new_var}{Name of variable to create}
 
diff --git a/man/derive_var_extreme_flag.Rd b/man/derive_var_extreme_flag.Rd
index acc55fa615..a1211565d3 100644
--- a/man/derive_var_extreme_flag.Rd
+++ b/man/derive_var_extreme_flag.Rd
@@ -17,7 +17,7 @@ derive_var_extreme_flag(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter are expected.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{by_vars}{Grouping variables
 
diff --git a/man/derive_var_joined_exist_flag.Rd b/man/derive_var_joined_exist_flag.Rd
index 21321c43dd..b1f6f4455d 100644
--- a/man/derive_var_joined_exist_flag.Rd
+++ b/man/derive_var_joined_exist_flag.Rd
@@ -22,8 +22,7 @@ derive_var_joined_exist_flag(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} and \code{join_vars} parameter are
-expected.}
+The variables specified by the \code{by_vars} and \code{join_vars} argument(s) to be expected.}
 
 \item{by_vars}{By variables
 
diff --git a/man/derive_var_merged_exist_flag.Rd b/man/derive_var_merged_exist_flag.Rd
index b86c0ef87b..ae0728a4bd 100644
--- a/man/derive_var_merged_exist_flag.Rd
+++ b/man/derive_var_merged_exist_flag.Rd
@@ -19,7 +19,7 @@ derive_var_merged_exist_flag(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} argument are expected.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_add}{Additional dataset
 
diff --git a/man/derive_var_merged_summary.Rd b/man/derive_var_merged_summary.Rd
index 5a7ff2fd0f..c381428de8 100644
--- a/man/derive_var_merged_summary.Rd
+++ b/man/derive_var_merged_summary.Rd
@@ -17,7 +17,7 @@ derive_var_merged_summary(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} argument are expected.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_add}{Additional dataset
 
diff --git a/man/derive_var_obs_number.Rd b/man/derive_var_obs_number.Rd
index f9fae3a7ee..d4c54e6881 100644
--- a/man/derive_var_obs_number.Rd
+++ b/man/derive_var_obs_number.Rd
@@ -15,8 +15,7 @@ derive_var_obs_number(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{order} and the \code{by_vars} parameter are
-expected.}
+The variables specified by the \code{by_vars} and \code{order} argument(s) to be expected.}
 
 \item{by_vars}{Grouping variables
 
diff --git a/man/derive_var_ontrtfl.Rd b/man/derive_var_ontrtfl.Rd
index be267b1b11..530c7c42a2 100644
--- a/man/derive_var_ontrtfl.Rd
+++ b/man/derive_var_ontrtfl.Rd
@@ -18,7 +18,7 @@ derive_var_ontrtfl(
 )
 }
 \arguments{
-\item{dataset}{Input dataset.
+\item{dataset}{Input dataset
 
 Required columns are \code{start_date}, \code{end_date}, \code{ref_start_date} and
 \code{ref_end_date}.}
diff --git a/man/derive_var_pchg.Rd b/man/derive_var_pchg.Rd
index 428950b05a..70b6749fcb 100644
--- a/man/derive_var_pchg.Rd
+++ b/man/derive_var_pchg.Rd
@@ -7,8 +7,8 @@
 derive_var_pchg(dataset)
 }
 \arguments{
-\item{dataset}{The input dataset. Required variables are \code{AVAL} and
-\code{BASE}.}
+\item{dataset}{Input dataset
+\code{AVAL} and \code{BASE} are expected.}
 }
 \value{
 The input dataset with an additional column named \code{PCHG}
diff --git a/man/derive_var_relative_flag.Rd b/man/derive_var_relative_flag.Rd
index 9d07da3360..ac017c896d 100644
--- a/man/derive_var_relative_flag.Rd
+++ b/man/derive_var_relative_flag.Rd
@@ -20,8 +20,7 @@ derive_var_relative_flag(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{order} and the \code{by_vars} argument are
-expected.}
+The variables specified by the \code{by_vars} and \code{order} argument(s) to be expected.}
 
 \item{by_vars}{Grouping variables
 
diff --git a/man/derive_var_shift.Rd b/man/derive_var_shift.Rd
index ac4ff9fdfd..9a46f1e001 100644
--- a/man/derive_var_shift.Rd
+++ b/man/derive_var_shift.Rd
@@ -17,7 +17,7 @@ derive_var_shift(
 \arguments{
 \item{dataset}{Input dataset
 
-The columns specified by \code{from_var} and the \code{to_var} parameters are expected.}
+The variables specified by the \code{from_var} and \code{to_var} argument(s) to be expected.}
 
 \item{new_var}{Name of the character shift variable to create.}
 
diff --git a/man/derive_var_trtdurd.Rd b/man/derive_var_trtdurd.Rd
index 81707b483b..940a28240e 100644
--- a/man/derive_var_trtdurd.Rd
+++ b/man/derive_var_trtdurd.Rd
@@ -9,8 +9,7 @@ derive_var_trtdurd(dataset, start_date = TRTSDT, end_date = TRTEDT)
 \arguments{
 \item{dataset}{Input dataset
 
-The columns specified by the \code{start_date} and the \code{end_date} parameter are
-expected.}
+The variables specified by the \code{start_date} and \code{end_date} argument(s) to be expected.}
 
 \item{start_date}{The start date
 
diff --git a/man/derive_vars_aage.Rd b/man/derive_vars_aage.Rd
index 189334d6ac..eebd490340 100644
--- a/man/derive_vars_aage.Rd
+++ b/man/derive_vars_aage.Rd
@@ -16,8 +16,7 @@ derive_vars_aage(
 \arguments{
 \item{dataset}{Input dataset
 
-The columns specified by the \code{start_date} and the \code{end_date} parameter are
-expected.}
+The variables specified by the \code{start_date} and \code{end_date} argument(s) to be expected.}
 
 \item{start_date}{The start date
 
diff --git a/man/derive_vars_atc.Rd b/man/derive_vars_atc.Rd
index 0f9e8f8bde..a289247569 100644
--- a/man/derive_vars_atc.Rd
+++ b/man/derive_vars_atc.Rd
@@ -14,7 +14,7 @@ derive_vars_atc(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter are required}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_facm}{FACM dataset
 
diff --git a/man/derive_vars_dt.Rd b/man/derive_vars_dt.Rd
index 176dc48bef..1dbc3fb6b4 100644
--- a/man/derive_vars_dt.Rd
+++ b/man/derive_vars_dt.Rd
@@ -17,9 +17,9 @@ derive_vars_dt(
 )
 }
 \arguments{
-\item{dataset}{Input dataset.
+\item{dataset}{Input dataset
 
-The date character vector (\code{dtc}) must be present.}
+The variables specified by the \code{dtc} argument(s) to be expected.}
 
 \item{new_vars_prefix}{Prefix used for the output variable(s).
 
diff --git a/man/derive_vars_dtm.Rd b/man/derive_vars_dtm.Rd
index 32ca6c207e..f8bbd4f8c0 100644
--- a/man/derive_vars_dtm.Rd
+++ b/man/derive_vars_dtm.Rd
@@ -21,7 +21,7 @@ derive_vars_dtm(
 \arguments{
 \item{dataset}{Input dataset
 
-The date character vector (\code{dtc}) must be present.}
+The variables specified by the \code{dtc} argument(s) to be expected.}
 
 \item{new_vars_prefix}{Prefix used for the output variable(s).
 
diff --git a/man/derive_vars_dtm_to_dt.Rd b/man/derive_vars_dtm_to_dt.Rd
index 0efcdcb227..769f3f93fe 100644
--- a/man/derive_vars_dtm_to_dt.Rd
+++ b/man/derive_vars_dtm_to_dt.Rd
@@ -7,7 +7,9 @@
 derive_vars_dtm_to_dt(dataset, source_vars)
 }
 \arguments{
-\item{dataset}{Input dataset}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{source_vars} argument(s) to be expected.}
 
 \item{source_vars}{A list of datetime variables created using \code{exprs()} from
 which dates are to be extracted}
diff --git a/man/derive_vars_dtm_to_tm.Rd b/man/derive_vars_dtm_to_tm.Rd
index 1f3c7be482..9d107f2f2c 100644
--- a/man/derive_vars_dtm_to_tm.Rd
+++ b/man/derive_vars_dtm_to_tm.Rd
@@ -7,7 +7,9 @@
 derive_vars_dtm_to_tm(dataset, source_vars)
 }
 \arguments{
-\item{dataset}{Input dataset}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{source_vars} argument(s) to be expected.}
 
 \item{source_vars}{A list of datetime variables created using \code{exprs()} from
 which time is to be extracted}
diff --git a/man/derive_vars_duration.Rd b/man/derive_vars_duration.Rd
index 0dcee21daa..cb6676ab84 100644
--- a/man/derive_vars_duration.Rd
+++ b/man/derive_vars_duration.Rd
@@ -21,8 +21,7 @@ derive_vars_duration(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{start_date} and the \code{end_date} parameter are
-expected.}
+The variables specified by the \code{start_date} and \code{end_date} argument(s) to be expected.}
 
 \item{new_var}{Name of variable to create}
 
diff --git a/man/derive_vars_dy.Rd b/man/derive_vars_dy.Rd
index cc2de470cf..c0e3ddac4b 100644
--- a/man/derive_vars_dy.Rd
+++ b/man/derive_vars_dy.Rd
@@ -9,8 +9,7 @@ derive_vars_dy(dataset, reference_date, source_vars)
 \arguments{
 \item{dataset}{Input dataset
 
-The columns specified by the \code{reference_date} and the \code{source_vars}
-parameter are expected.}
+The variables specified by the \code{reference_date} and \code{source_vars} argument(s) to be expected.}
 
 \item{reference_date}{A date or date-time column, e.g., date of first treatment
 or date-time of last exposure to treatment.
diff --git a/man/derive_vars_joined.Rd b/man/derive_vars_joined.Rd
index 0073930145..1b3452d615 100644
--- a/man/derive_vars_joined.Rd
+++ b/man/derive_vars_joined.Rd
@@ -22,7 +22,7 @@ derive_vars_joined(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by \code{by_vars} are expected.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_add}{Additional dataset
 
diff --git a/man/derive_vars_merged.Rd b/man/derive_vars_merged.Rd
index 78e415ce4d..ab959ed89f 100644
--- a/man/derive_vars_merged.Rd
+++ b/man/derive_vars_merged.Rd
@@ -22,7 +22,7 @@ derive_vars_merged(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} argument are expected.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_add}{Additional dataset
 
diff --git a/man/derive_vars_merged_lookup.Rd b/man/derive_vars_merged_lookup.Rd
index 80761151a2..3024d10083 100644
--- a/man/derive_vars_merged_lookup.Rd
+++ b/man/derive_vars_merged_lookup.Rd
@@ -20,7 +20,7 @@ derive_vars_merged_lookup(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} argument are expected.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_add}{Lookup table
 
diff --git a/man/derive_vars_period.Rd b/man/derive_vars_period.Rd
index 05dd4dc48b..2d00f227b3 100644
--- a/man/derive_vars_period.Rd
+++ b/man/derive_vars_period.Rd
@@ -12,9 +12,9 @@ derive_vars_period(
 )
 }
 \arguments{
-\item{dataset}{ADSL dataset
+\item{dataset}{Input dataset
 
-The variables specified by \code{subject_keys} are expected.}
+The variables specified by the \code{subject_keys} argument(s) to be expected.}
 
 \item{dataset_ref}{Period reference dataset
 
diff --git a/man/derive_vars_query.Rd b/man/derive_vars_query.Rd
index 16a91bd87c..33452967df 100644
--- a/man/derive_vars_query.Rd
+++ b/man/derive_vars_query.Rd
@@ -7,7 +7,7 @@
 derive_vars_query(dataset, dataset_queries)
 }
 \arguments{
-\item{dataset}{Input dataset.}
+\item{dataset}{Input dataset}
 
 \item{dataset_queries}{A dataset containing required columns \code{PREFIX},
 \code{GRPNAME}, \code{SRCVAR}, \code{TERMNAME}, \code{TERMID}, and optional columns
diff --git a/man/derive_vars_transposed.Rd b/man/derive_vars_transposed.Rd
index effa25f80c..8195dd1166 100644
--- a/man/derive_vars_transposed.Rd
+++ b/man/derive_vars_transposed.Rd
@@ -16,7 +16,7 @@ derive_vars_transposed(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{by_vars} parameter are required}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_merge}{Dataset to transpose and merge
 
diff --git a/man/extract_duplicate_records.Rd b/man/extract_duplicate_records.Rd
index 6c29348703..3a1f4213e9 100644
--- a/man/extract_duplicate_records.Rd
+++ b/man/extract_duplicate_records.Rd
@@ -7,7 +7,9 @@
 extract_duplicate_records(dataset, by_vars)
 }
 \arguments{
-\item{dataset}{A data frame}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{by_vars}{A list of expressions created using \code{exprs()} identifying
 groups of records in which to look for duplicates}
diff --git a/man/filter_exist.Rd b/man/filter_exist.Rd
index 20697b3916..cc176c23ce 100644
--- a/man/filter_exist.Rd
+++ b/man/filter_exist.Rd
@@ -9,7 +9,7 @@ filter_exist(dataset, dataset_add, by_vars, filter_add = NULL)
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified in the \code{by_vars} parameter are expected in this dataset.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_add}{Source dataset
 
diff --git a/man/filter_extreme.Rd b/man/filter_extreme.Rd
index 6842ff97e6..0e7d5bbc3b 100644
--- a/man/filter_extreme.Rd
+++ b/man/filter_extreme.Rd
@@ -9,8 +9,7 @@ filter_extreme(dataset, by_vars = NULL, order, mode, check_type = "warning")
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{order} and the \code{by_vars} parameter are
-expected.}
+The variables specified by the \code{by_vars} and \code{order} argument(s) to be expected.}
 
 \item{by_vars}{Grouping variables
 
diff --git a/man/filter_joined.Rd b/man/filter_joined.Rd
index 8361945017..09c6b5f660 100644
--- a/man/filter_joined.Rd
+++ b/man/filter_joined.Rd
@@ -19,8 +19,7 @@ filter_joined(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified for \code{by_vars}, \code{join_vars}, and \code{order} are
-expected.}
+The variables specified by the \code{by_vars}, \code{order} and \code{join_vars} argument(s) to be expected.}
 
 \item{by_vars}{By variables
 
diff --git a/man/filter_not_exist.Rd b/man/filter_not_exist.Rd
index ae8c3d1f0c..57f0065aff 100644
--- a/man/filter_not_exist.Rd
+++ b/man/filter_not_exist.Rd
@@ -9,7 +9,7 @@ filter_not_exist(dataset, dataset_add, by_vars, filter_add = NULL)
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified in the \code{by_vars} parameter are expected in this dataset.}
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{dataset_add}{Source dataset
 
diff --git a/man/filter_relative.Rd b/man/filter_relative.Rd
index 220ce39caf..dd0f532da7 100644
--- a/man/filter_relative.Rd
+++ b/man/filter_relative.Rd
@@ -19,8 +19,7 @@ filter_relative(
 \arguments{
 \item{dataset}{Input dataset
 
-The variables specified by the \code{order} and the \code{by_vars} parameter are
-expected.}
+The variables specified by the \code{by_vars} and \code{order} argument(s) to be expected.}
 
 \item{by_vars}{Grouping variables
 
diff --git a/man/get_hori_data.Rd b/man/get_hori_data.Rd
index e416b453b9..9be797f41b 100644
--- a/man/get_hori_data.Rd
+++ b/man/get_hori_data.Rd
@@ -7,7 +7,9 @@
 get_hori_data(dataset, by_vars, parameters, set_values_to, filter)
 }
 \arguments{
-\item{dataset}{Input dataset}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{by_vars}{By variables}
 
diff --git a/man/get_summary_records.Rd b/man/get_summary_records.Rd
index 55ac3bf4b0..53d93239ce 100644
--- a/man/get_summary_records.Rd
+++ b/man/get_summary_records.Rd
@@ -14,7 +14,9 @@ get_summary_records(
 )
 }
 \arguments{
-\item{dataset}{A data frame.}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{by_vars} and \code{analysis_var} argument(s) to be expected.}
 
 \item{by_vars}{Variables to consider for generation of groupwise summary
 records. Providing the names of variables in \code{\link[=exprs]{exprs()}} will create a
diff --git a/man/signal_duplicate_records.Rd b/man/signal_duplicate_records.Rd
index 1076de7329..04e06cdb66 100644
--- a/man/signal_duplicate_records.Rd
+++ b/man/signal_duplicate_records.Rd
@@ -13,7 +13,9 @@ signal_duplicate_records(
 )
 }
 \arguments{
-\item{dataset}{A data frame}
+\item{dataset}{Input dataset
+
+The variables specified by the \code{by_vars} argument(s) to be expected.}
 
 \item{by_vars}{A list of expressions created using \code{exprs()} identifying
 groups of records in which to look for duplicates}
diff --git a/tests/testthat/test-roxygen2.R b/tests/testthat/test-roxygen2.R
new file mode 100644
index 0000000000..a0b31eb094
--- /dev/null
+++ b/tests/testthat/test-roxygen2.R
@@ -0,0 +1,16 @@
+# roxygen_param_dataset ----
+## Test 1: Input dataset standardized text works ----
+test_that("roxygen_param_dataset Test 1: Input dataset standardized text works", {
+  expect_equal("Input dataset", roxygen_param_dataset(expected_vars = NULL))
+})
+
+## Test 2: Input dataset standardized text works ----
+test_that("roxygen_param_dataset Test 2: Input dataset standardized text works", {
+  expect_equal(
+    paste0(
+      "Input dataset \n \n",
+      "The variables specified by the `by_vars` argument(s) to be expected."
+    ),
+    roxygen_param_dataset(expected_vars = c("by_vars"))
+  )
+})