runtime(comment): include a simple comment toggling plugin

fixes #14626
closes: #14634

Signed-off-by: Maxim Kim <habamax@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/version9.txt b/runtime/doc/version9.txt
index c277923..03050ee 100644
--- a/runtime/doc/version9.txt
+++ b/runtime/doc/version9.txt
@@ -1,4 +1,4 @@
-*version9.txt*  For Vim version 9.1.  Last change: 2024 Apr 14
+*version9.txt*  For Vim version 9.1.  Last change: 2024 Apr 26
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -41554,6 +41554,7 @@
 
 Other improvements				*new-other-9.2*
 ------------------
+The comment plugin |comment-install| is included.
 
 Changed						*changed-9.2*
 -------