diff --git a/ChangeLog b/ChangeLog
index e5d8b83d65..8976f28e4f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
 Tue Dec 18 02:35:00 2012  Zachary Scott  <zachary@zacharyscott.net>
 
-	* lib/matrix.rb (#dup): typo in example [ruby-core:50946][Bug #7582]
+	* lib/matrix.rb (#lup): typo in example [ruby-core:50946][Bug #7582]
 
 Mon Dec 17 18:03:34 2012  Charlie Somerville  <charlie@charliesomerville.com>