diff --git a/gitrebase.vim b/gitrebase.vim
index dc79d10..fec8f07 100644
--- a/gitrebase.vim
+++ b/gitrebase.vim
@@ -2,5 +2,7 @@
 " Language:     git rebase --interactive
 " Maintainer:   Jiri Slaby <jslaby@suse.cz>
 " Last Change:  2022 Mar 09
+"
+" See https://github.com/vim/vim/issues/9845
 
 setlocal keywordprg=git\ show