diff --git a/ChangeLog b/ChangeLog
index 51c21fa51a..2a1f1c06c8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,7 +12,7 @@ Thu Jan  8 16:31:43 2015  Seiei Higa  <hanachin@gmail.com>
 Thu Jan  8 12:53:44 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* dir.c (glob_helper): match in case-folding only if the directory
-	  resides on a case-insensitve file system, on OSX.
+	  resides on a case-insensitive file system, on OSX.
 	  [ruby-core:67364] [Bug #10700]
 
 Thu Jan  8 11:39:18 2015  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>