diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index ce07d351d7c..707464670e9 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -8344,7 +8344,7 @@
 
 	* progmodes/cc-cmds.el (c-mask-paragraph, c-fill-paragraph):
 	Fix for the case that a C style comment has its delimiters alone on
-	their respective lines.
+	their respective lines.  (Bug#193)
 
 2010-08-06  Michael Albinus  <michael.albinus@gmx.de>