diff --git a/ChangeLog b/ChangeLog
index be006080d9..db5edc1374 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -44,8 +44,8 @@ Sun Jun 16 05:51:51 2013  Masaya Tarui  <tarui@ruby-lang.org>
 
 Sun Jun 16 05:15:36 2013  Masaya Tarui  <tarui@ruby-lang.org>
 
-	* gc.c: Add some colums to more detail profile.
-	  new colums: Allocated size, Prepare Time, Removing Objects, Empty Objects
+	* gc.c: Add some columns to more detail profile.
+	  new columns: Allocated size, Prepare Time, Removing Objects, Empty Objects
 
 Sun Jun 16 02:04:40 2013  Masaya Tarui  <tarui@ruby-lang.org>