diff --git a/ChangeLog b/ChangeLog
index 46a617da91..e019659025 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,7 @@
 Sat Jun 12 00:38:37 2010  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* ext/dbm/extconf.rb: accept Berkley DB version 3, 4 and 5.
-	  [ruby-dev:41531]
+	  a patch from Takahiro Kambe.  [ruby-dev:41531]
 
 Fri Jun 11 23:21:35 2010  Tanaka Akira  <akr@fsij.org>