diff --git a/ChangeLog b/ChangeLog
index 64d1670527..000c9726c0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2053,4 +2053,4 @@
 
 - initial version
 
-<!-- vim: syntax=Markdown -->
+<!-- vim: syntax=Markdown: set filetype=markdown: -->