diff --git a/ChangeLog b/ChangeLog
index 12c4a60ae3..76da4f438b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jun  4 02:25:51 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* lib/base64.rb: typo fixed.  a patch from okkez.   [ruby-dev:38564]
+
 Wed Jun  3 09:03:23 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* enum.c (enum_first): should check negative length.
diff --git a/lib/base64.rb b/lib/base64.rb
index 383acacef9..a240b730b4 100644
--- a/lib/base64.rb
+++ b/lib/base64.rb
@@ -1,5 +1,5 @@
 #
-# = base64.rb: methods for base64-encoding and -decoding stings
+# = base64.rb: methods for base64-encoding and -decoding strings
 #
 
 # The Base64 module provides for the encoding (#encode64, #strict_encode64,