diff --git a/ChangeLog b/ChangeLog
index c2aafdb4e8..914ef86745 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -21,7 +21,7 @@ Fri Feb 22 03:34:38 2002  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 Fri Feb 22 11:30:01 2002  Tanaka Akira  <akr@m17n.org>
 
-	* prettyprint.rb: FillGroup implemented.
+	* lib/prettyprint.rb: FillGroup implemented.
 
 Thu Feb 21 21:40:18 2002  Usaku Nakamura <usa@ruby-lang.org>