diff --git a/runtime/syntax/confini.vim b/runtime/syntax/confini.vim
index 823d417..009a60c 100644
--- a/runtime/syntax/confini.vim
+++ b/runtime/syntax/confini.vim
@@ -1,5 +1,7 @@
 " Vim syntax file
 " Language: confini
+" Last Change:
+" 2025 May 02 by Vim project commented line starts with # only
 
 " Quit if a syntax file was already loaded
 if exists("b:current_syntax")
@@ -9,4 +11,8 @@
 " Use the cfg syntax for now, it's similar.
 runtime! syntax/cfg.vim
 
+" Only accept '#' as the start of a comment.
+syn clear CfgComment
+syn match CfgComment "#.*" contains=@Spell
+
 let b:current_syntax = 'confini'