diff --git a/ChangeLog b/ChangeLog
index bf9439b659..ede508ddab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -15,7 +15,7 @@ Wed Feb 15 22:20:19 2012  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
 	* vm.c (ruby_vm_destruct): reset main thread's local_storage before
 	  free main thread. rb_thread_t::local_storage is replaced by fiber's
 	  local storage when forked from fiber, and it should be already freed
-	  when the fiber was destroyed.
+	  when the fiber was destroyed. [ruby-core:41456] [Bug #5700]
 
 	* test/ruby/test_fiber.rb (test_fork_from_fiber): add test for fork
 	  from fiber.