diff --git a/ChangeLog b/ChangeLog
index d3ee97bde5..a5cae90a53 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -9,7 +9,7 @@ Sun May 27 23:37:48 2012  Koichi Sasada  <ko1@atdot.net>
 	* benchmark/bm_vm2_bigarray.rb: added.
 	  This benchmark mesures a big array literal creation time.
 
-	* benchmark/bm_vm2_bighash.rb:
+	* benchmark/bm_vm2_bighash.rb: added.
 	  This benchmark mesures a big hash literal creation time.
 
 	* benchmark/bm*: change notation "i=0" to "i = 0".