diff --git a/ChangeLog b/ChangeLog
index 0c54ae66f8..21938a0183 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -277,7 +277,8 @@ Tue Jun 25 21:26:00 2013  Kenta Murata  <mrkn@mrkn.jp>
 
 	* ext/bigdecimal/bigdecimal.c (BigMath_s_exp): Fix for the cases when
 	  the argument x is not a BigDecimal.
-	  This change is based on the patch made by Garth Snyder.
+	  This change is based on the patch made by Heesob Park and Garth Snyder.
+	  [Bug #6862] [ruby-core:47145]
 	  [Fix GH-332] https://github.com/ruby/ruby/pull/332
 
 Tue Jun 25 20:36:31 2013  Tanaka Akira  <akr@fsij.org>