diff --git a/cran-comments.md b/cran-comments.md
index a90301c..4932878 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,11 +1,9 @@
 ## Test environments
 * local Debian 11 (Bullseye) install, R 4.1.0
-* local macOS High Sierra 10.13 install, R 4.0.3
-* ubuntu (on travis-ci), R 4.02
 * win-builder (devel and release)
+* mac_builder (release)
 
 ## R CMD check results
 
 When checked with --as-cran and --no-manual
 there were no ERRORs or WARNINGs or NOTES
-
diff --git a/man/dt_counts_and_percents.Rd b/man/dt_counts_and_percents.Rd
index ab022dd..ad48523 100644
--- a/man/dt_counts_and_percents.Rd
+++ b/man/dt_counts_and_percents.Rd
@@ -37,9 +37,10 @@ placed; percent of counts lower than this percent will be grouped
 into a category called "OTHER".
 The percent is a number out of 100
 
-The final row is a total count
+The final row is a total count.
 
-The quoted group-by variable must be a character or factor
+The quoted group-by variable must be a character or factor. If it is
+not, it will be temporarily converted into one and a warning is issued.
 }
 \examples{