diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index fc07dc4..03c8d6c 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -41668,6 +41668,10 @@
 Support for |fuzzy-matching| during |ins-completion| with the "fuzzy"
 values of the 'completeopt' setting
 
+The environment variable |$MYVIMDIR| is set to the users personal runtime
+directory ($HOME/.vim or $HOME/.config/vim on Linux, $HOME/vimfiles
+on Windows)
+
 ==============================================================================
 COMPILE TIME CHANGES					*compile-changes-9.2*