diff --git a/R/check.R b/R/check.R
index 41c824cbf..82f914fe4 100644
--- a/R/check.R
+++ b/R/check.R
@@ -24,7 +24,7 @@
 #'  \item The standard environment variables set by devtools:
 #'    [r_env_vars()]. Of particular note for package tests is the
 #'    `NOT_CRAN` env var which lets you know that your tests are not
-#'    running on cran, and hence can take a reasonable amount of time.
+#'    running on CRAN, and hence can take a reasonable amount of time.
 #'
 #'  \item Debugging flags for the compiler, set by
 #'    \code{\link{compiler_flags}(FALSE)}.
diff --git a/R/github.R b/R/github.R
index 23b655358..8988e17f4 100644
--- a/R/github.R
+++ b/R/github.R
@@ -81,9 +81,9 @@ github_tag <- function(username, repo, ref = "master") {
   github_GET(file.path("repos", username, repo, "tags", ref))
 }
 
-#' Retrieve Github personal access token.
+#' Retrieve GitHub personal access token.
 #'
-#' A github personal access token
+#' A GitHub personal access token
 #' Looks in env var `GITHUB_PAT`
 #'
 #' @keywords internal
diff --git a/R/lint.R b/R/lint.R
index 37429d3fe..569fb0cf1 100644
--- a/R/lint.R
+++ b/R/lint.R
@@ -1,6 +1,6 @@
 #' Lint all source files in a package.
 #'
-#' The default lintings correspond to the style guide at
+#' The default linters correspond to the style guide at
 #' <http://r-pkgs.had.co.nz/r.html#style>, however it is possible to
 #' override any or all of them using the `linters` parameter.
 #' @param pkg package description, can be path or package name. See
diff --git a/R/release.R b/R/release.R
index d0749cbb5..0b0451d18 100644
--- a/R/release.R
+++ b/R/release.R
@@ -5,7 +5,7 @@
 #' The package release process will:
 #'
 #' \itemize{
-#'   \item Confirm that the package passes `R CMD check` on relevant platoforms
+#'   \item Confirm that the package passes `R CMD check` on relevant platforms
 #'   \item Confirm that important files are up-to-date
 #'   \item Build the package
 #'   \item Submit the package to CRAN, using comments in "cran-comments.md"
diff --git a/R/revdep.R b/R/revdep.R
index 99578be4c..4a3c4ac4d 100755
--- a/R/revdep.R
+++ b/R/revdep.R
@@ -1,10 +1,10 @@
 #' Reverse dependency tools.
 #'
-#' Tools to check and notify maintainers of all CRAN and bioconductor
+#' Tools to check and notify maintainers of all CRAN and Bioconductor
 #' packages that depend on the specified package.
 #'
 #' The first run in a session will be time-consuming because it must download
-#' all package metadata from CRAN and bioconductor. Subsequent runs will
+#' all package metadata from CRAN and Bioconductor. Subsequent runs will
 #' be faster.
 #'
 #' @param pkg Package name. This is unlike most devtools packages which
@@ -18,7 +18,7 @@
 #' @param dependencies A character vector listing the types of dependencies
 #'   to follow.
 #' @param bioconductor If `TRUE` also look for dependencies amongst
-#'   bioconductor packages.
+#'   Bioconductor packages.
 #' @param recursive If `TRUE` look for full set of recursive dependencies.
 #' @inheritParams tools::dependsOnPkgs
 #' @seealso [revdep_check()] to run R CMD check on all reverse
diff --git a/R/save-all.R b/R/save-all.R
index dd3cc9b75..c6b19ae2a 100644
--- a/R/save-all.R
+++ b/R/save-all.R
@@ -2,7 +2,7 @@
 #'
 #' Helper function wrapping IDE-specific calls to save all documents in the
 #' active session. In this form, callers of `save_all()` don't need to
-#' execute any IDE-specific code. This function can be extened to include
+#' execute any IDE-specific code. This function can be extended to include
 #' other IDE implementations of their equivalent
 #' `rstudioapi::documentSaveAll()` methods.
 #' @return NULL
diff --git a/inst/WORDLIST b/inst/WORDLIST
new file mode 100644
index 000000000..a86d6bad2
--- /dev/null
+++ b/inst/WORDLIST
@@ -0,0 +1,53 @@
+amongst
+artefacts
+behaviour
+Bioconductor
+cran
+CMD
+dev
+dir
+env
+ERRORs
+forkable
+gists
+gui
+Hadley
+http
+https
+installable
+knitr
+lexicographically
+LinkingTo
+linters
+lintr
+maintainer's
+makefiles
+md
+NOTEs
+objs
+pkgbuild
+rds
+readme
+README
+realisation
+revdep
+revdepcheck
+rhub
+rmarkdown
+Rmarkdown
+Rmd
+roclet
+roxygen
+RStudio
+SHA
+srcrefs
+testthat
+tex
+un
+VignetteEncoding
+VignetteEngine
+VignetteIndexEntry
+WARNINGs
+Wickham
+xyz
+YAML
diff --git a/man/check.Rd b/man/check.Rd
index 5e92f4108..2e7150f07 100644
--- a/man/check.Rd
+++ b/man/check.Rd
@@ -102,7 +102,7 @@ with how check works on CRAN. This includes:
 \item The standard environment variables set by devtools:
 \code{\link[=r_env_vars]{r_env_vars()}}. Of particular note for package tests is the
 \code{NOT_CRAN} env var which lets you know that your tests are not
-running on cran, and hence can take a reasonable amount of time.
+running on CRAN, and hence can take a reasonable amount of time.
 
 \item Debugging flags for the compiler, set by
 \code{\link{compiler_flags}(FALSE)}.
diff --git a/man/github_pat.Rd b/man/github_pat.Rd
index d50ffc2fb..f406b4e58 100644
--- a/man/github_pat.Rd
+++ b/man/github_pat.Rd
@@ -2,12 +2,12 @@
 % Please edit documentation in R/github.R
 \name{github_pat}
 \alias{github_pat}
-\title{Retrieve Github personal access token.}
+\title{Retrieve GitHub personal access token.}
 \usage{
 github_pat(quiet = TRUE)
 }
 \description{
-A github personal access token
+A GitHub personal access token
 Looks in env var \code{GITHUB_PAT}
 }
 \keyword{internal}
diff --git a/man/lint.Rd b/man/lint.Rd
index 6bafe2480..c4bb98011 100644
--- a/man/lint.Rd
+++ b/man/lint.Rd
@@ -16,7 +16,7 @@ use the previous results.}
 \item{...}{additional arguments passed to \code{\link[lintr:lint_package]{lintr::lint_package()}}}
 }
 \description{
-The default lintings correspond to the style guide at
+The default linters correspond to the style guide at
 \url{http://r-pkgs.had.co.nz/r.html#style}, however it is possible to
 override any or all of them using the \code{linters} parameter.
 }
diff --git a/man/release.Rd b/man/release.Rd
index 91b268755..d577707fa 100644
--- a/man/release.Rd
+++ b/man/release.Rd
@@ -24,7 +24,7 @@ Run automated and manual tests, then post package to CRAN.
 The package release process will:
 
 \itemize{
-\item Confirm that the package passes \code{R CMD check} on relevant platoforms
+\item Confirm that the package passes \code{R CMD check} on relevant platforms
 \item Confirm that important files are up-to-date
 \item Build the package
 \item Submit the package to CRAN, using comments in "cran-comments.md"
diff --git a/man/revdep.Rd b/man/revdep.Rd
index c3f9c1c4a..6391484fa 100644
--- a/man/revdep.Rd
+++ b/man/revdep.Rd
@@ -28,15 +28,15 @@ will not appear in returned vector. This is used in
 or extremely long check times.}
 
 \item{bioconductor}{If \code{TRUE} also look for dependencies amongst
-bioconductor packages.}
+Bioconductor packages.}
 }
 \description{
-Tools to check and notify maintainers of all CRAN and bioconductor
+Tools to check and notify maintainers of all CRAN and Bioconductor
 packages that depend on the specified package.
 }
 \details{
 The first run in a session will be time-consuming because it must download
-all package metadata from CRAN and bioconductor. Subsequent runs will
+all package metadata from CRAN and Bioconductor. Subsequent runs will
 be faster.
 }
 \examples{
diff --git a/man/save_all.Rd b/man/save_all.Rd
index 42f626e7d..cda131cbd 100644
--- a/man/save_all.Rd
+++ b/man/save_all.Rd
@@ -9,7 +9,7 @@ save_all()
 \description{
 Helper function wrapping IDE-specific calls to save all documents in the
 active session. In this form, callers of \code{save_all()} don't need to
-execute any IDE-specific code. This function can be extened to include
+execute any IDE-specific code. This function can be extended to include
 other IDE implementations of their equivalent
 \code{rstudioapi::documentSaveAll()} methods.
 }
diff --git a/vignettes/dependencies.Rmd b/vignettes/dependencies.Rmd
index e0910c3e1..e01f460fb 100644
--- a/vignettes/dependencies.Rmd
+++ b/vignettes/dependencies.Rmd
@@ -32,9 +32,9 @@ The `type` is an optional parameter.  If the type is missing the default is
 to install from GitHub. Additional remote dependencies should be separated by
 commas, just like normal dependencies elsewhere in the `DESCRIPTION` file.
 
-### Github
+### GitHub
 
-Because github is the most commonly used unofficial package distribution in R, it's the default:
+Because GitHub is the most commonly used unofficial package distribution in R, it's the default:
 
 ```yaml
 Remotes: hadley/testthat
@@ -48,7 +48,7 @@ Remotes: hadley/httr@v0.4,
   hadley/testthat@c67018fa4970
 ```
 
-A type of 'github' can be specified, but is not required
+A type of `github` can be specified, but is not required
 
 ```yaml
 Remotes: github::hadley/ggplot2