diff --git a/.Rbuildignore b/.Rbuildignore
index ee70507..1f29318 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -5,3 +5,4 @@ LICENSE.md
 ^\.Rproj\.user$
 ^docs$
 ^_pkgdown\.yml$
+cran-comments.md
\ No newline at end of file
diff --git a/cran-comments.md b/cran-comments.md
index 59c0232..675a3bc 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -9,8 +9,10 @@
 
 ## R CMD check results
 
-There were no ERRORs or WARNINGs or NOTEs.
+There were no ERRORs or WARNINGs.
 
+There is a NOTE on old releases, that `tools::CRAN_package_db()` is not exported.
+In my code I use `if (getRversion() >= "3.4.1") {...}` to test for this condition, and only refer to `CRAN_package_db()` in more recent releases.
 
 ## Downstream dependencies