diff --git a/ChangeLog b/ChangeLog
index 9c22da974a..d4ce34ec80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,7 @@
 Thu Feb  5 07:39:33 2009  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
-	* ext/readline/readline.c (Init_readline): entry may be NULL.
-	  [ruby-dev:37891]
+	* ext/readline/readline.c (Init_readline): remove_history(0) may be
+	  NULL.  [ruby-dev:37891]
 
 Thu Feb  5 03:55:22 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>