diff --git a/ChangeLog b/ChangeLog
index de8e0cb7dc..f29d7930bc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -258,7 +258,7 @@ Sat Dec  1 02:04:23 2012  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 Sat Dec  1 02:08:16 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* test/rdoc/test_rdoc_rubygems_hook.rb
-	  (TestRDocRubygemsHook#test_setup_unwritable): 1. check the existance
+	  (TestRDocRubygemsHook#test_setup_unwritable): 1. check the existence
 	  of the file(directory) before touch it.  2. remove test
 	  file(directory) after the test.  see [ruby-core:50388].