diff --git a/ChangeLog b/ChangeLog
index c6fc99108d..bb5155b7fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,7 +3,7 @@ Wed Jun  8 21:38:57 2011  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
 	* cont.c (root_fiber_alloc): set root fiber's status RUNNING.
 	  in cont_mark() only RUNNING fiber's machine stack is marked.
 	  root fiber's status should be RUNNING at the beginning regardless of
-	  FIBER_USE_NATIVE.
+	  FIBER_USE_NATIVE. [ruby-core:36735] fixes #4827
 
 Tue Jun  7 20:50:11 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>