diff --git a/DESCRIPTION b/DESCRIPTION
index a384e45..398e783 100755
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -60,7 +60,7 @@ Suggests:
     BiocManager,
     phyloseq
 VignetteBuilder: knitr
-RoxygenNote: 7.0.2.9000
+RoxygenNote: 7.1.0
 Date: 2020-04-28
 Encoding: UTF-8
 biocViews: 
diff --git a/cran-comments.md b/cran-comments.md
index 324577c..72fa8f7 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,12 +1,44 @@
-## Test environments
+## Test environments and check results
 
-* local desktop: ubuntu 16.04 install, R 3.5.3
-* on travis-ci: ubuntu 16.04.6, devel, bioc-release, bioc-devel
-* win-builder R 3.6.1 and development
+Some packages seem to not be avaialble for R 4.0.0. I am not sure what to do about this. It works on my computer and winbuilder.
 
-## R CMD check results
+### local: ubuntu 18.04, R 3.6.3
 
-No NOTEs, WARNINGs, or ERRORs.
+0 errors | 0 warnings | 0 notes
+
+### travis-ci: ubuntu 14.04.05, R development
+
+Warning message:
+
+package ‘BiocManager, zlibbioc’ is not available (for R Under development) 
+
+The command "Rscript -e 'install.packages(c("BiocManager, zlibbioc"));if (!all(c("BiocManager, zlibbioc") %in% installed.packages())) { q(status = 1, save = "no")}'" failed and exited with 1 during .
+
+### travis-ci: ubuntu 14.04.05, bioc-release
+
+Warning message:
+
+package ‘BiocManager, zlibbioc’ is not available (for R version 4.0.0) 
+
+The command "Rscript -e 'install.packages(c("BiocManager, zlibbioc"));if (!all(c("BiocManager, zlibbioc") %in% installed.packages())) { q(status = 1, save = "no")}'" failed and exited with 1 during .
+
+
+### Rhub: Windows Server 2008 R2 SP1, R-devel, 32/64 bit
+
+* checking package dependencies ... ERROR
+Packages required but not available:
+  'taxa', 'stringr', 'ggplot2', 'igraph', 'scales', 'taxize', 'seqinr',
+  'reshape2', 'zoo', 'traits', 'RCurl', 'ape', 'reshape', 'lazyeval',
+  'dplyr', 'readr', 'rlang', 'biomformat', 'ggfittext', 'vegan',
+  'ggrepel', 'cowplot', 'GA', 'Rcpp', 'svglite', 'tibble'
+
+### Win builder: R devel
+
+0 errors | 0 warnings | 0 notes
+
+### Win builder: R version 4.0.0 (2020-04-24)
+
+0 errors | 0 warnings | 0 notes
 
 ## Downstream dependencies
 
diff --git a/man/hmp_otus.Rd b/man/hmp_otus.Rd
index 37617e0..509e0f0 100644
--- a/man/hmp_otus.Rd
+++ b/man/hmp_otus.Rd
@@ -3,7 +3,9 @@
 \name{hmp_otus}
 \alias{hmp_otus}
 \title{A HMP subset}
-\format{A 1,000 x 52 tibble.}
+\format{
+A 1,000 x 52 tibble.
+}
 \source{
 Subset from data available at https://www.hmpdacc.org/hmp/HMQCP/
 }
diff --git a/man/hmp_samples.Rd b/man/hmp_samples.Rd
index aa62227..7041850 100644
--- a/man/hmp_samples.Rd
+++ b/man/hmp_samples.Rd
@@ -3,7 +3,9 @@
 \name{hmp_samples}
 \alias{hmp_samples}
 \title{Sample information for HMP subset}
-\format{A 50 x 3 tibble.}
+\format{
+A 50 x 3 tibble.
+}
 \source{
 Subset from data available at https://www.hmpdacc.org/hmp/HMQCP/
 }