diff --git a/ChangeLog b/ChangeLog
index 88b1523fa5..45d64be7d7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,7 +6,7 @@ Sun Dec 14 09:14:37 2008  Yuki Sonoda (Yugui)  <yugui@yugui.jp>
 
 	* reverts r20713.
 
-日 12月 14 12:51:48 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+Sun Dec 14 12:51:48 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* bignum.c (rb_big_mul): faster multiplication by Karatsuba method and
 	  twice faster square than normal multiplication. [ruby-dev:37392]