diff --git a/ChangeLog b/ChangeLog
index 4d99f0ef8c..9659cd2e45 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 Wed May 19 23:36:57 2010  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
-	* ext/tk/extconf.rb: [ruby-def:41334] [Bug #3307] invalid result
+	* ext/tk/extconf.rb: [ruby-dev:41334] [Bug #3307] invalid result
 	  on searching tcl.h/tk.h. Thanks, Masaya Tarui.
 
 Wed May 19 23:19:30 2010  Shugo Maeda  <shugo@ruby-lang.org>