diff --git a/runtime/ftplugin/vim.vim b/runtime/ftplugin/vim.vim
index 772bfa0..60934d7 100644
--- a/runtime/ftplugin/vim.vim
+++ b/runtime/ftplugin/vim.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin
 " Language:	Vim
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2022 Aug 4
+" Last Change:	2022 Sep 09
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -48,17 +48,17 @@
 " Use :help to lookup the keyword under the cursor with K.
 setlocal keywordprg=:help
 
+" Comments starts with # in Vim9 script.  We have to guess which one to use.
 if "\n" .. getline(1, 10)->join("\n") =~# '\n\s*vim9\%[script]\>'
-  " Set 'comments' to format dashed lists in comments
-  setlocal com=sO:#\ -,mO:#\ \ ,eO:##,:#
-  " Comments starts with # in Vim9 script
   setlocal commentstring=#%s
 else
-  setlocal com=sO:\"\ -,mO:\"\ \ ,eO:\"\",:\"
-  " Comments starts with a double quote in legacy script
   setlocal commentstring=\"%s
 endif
 
+" Set 'comments' to format dashed lists in comments, both in Vim9 and legacy
+" script.
+setlocal com=sO:#\ -,mO:#\ \ ,eO:##,:#,sO:\"\ -,mO:\"\ \ ,eO:\"\",:\"
+
 " set 'include' to recognize import commands
 setlocal include=\\v^\\s*import\\s*(autoload)?