diff --git a/runtime/ftplugin/vim.vim b/runtime/ftplugin/vim.vim
index 5106e86..746e80b 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:	2021 Feb 07
+" Last Change:	2021 Feb 20
 
 " Only do this when not done yet for this buffer
 if exists("b:did_ftplugin")
@@ -54,7 +54,7 @@
   " Comments starts with # in Vim9 script
   setlocal commentstring=#%s
 else
-  setlocal com=sO:\"\ -,mO:\"\ \ ,:\"
+  setlocal com=sO:\"\ -,mO:\"\ \ ,eO:\"\",:\"
   " Comments starts with a double quote in legacy script
   setlocal commentstring=\"%s
 endif