diff --git a/ChangeLog b/ChangeLog
index 6bff3490d6..c15daa8ba4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -113,7 +113,7 @@ Tue Jun 19 11:59:56 2012  NARUSE, Yui  <naruse@ruby-lang.org>
 Tue Jun 19 11:52:59 2012  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* ext/readline/readline.c (readline_s_get_special_prefixes): suppress
-	  warning: unitinialized instance variable.
+	  warning: uninitialized instance variable.
 
 Tue Jun 19 11:43:16 2012  NARUSE, Yui  <naruse@ruby-lang.org>