diff --git a/ChangeLog b/ChangeLog
index 38a2cb7d37..6b288fe1f7 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 06:12:26 2009  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* enum.c (first_i): Enumerator#first should consume only what is
diff --git a/lib/base64.rb b/lib/base64.rb
index 8628d611b2..264530aac3 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
 #
 # Author:: Yukihiro Matsumoto 
 # Documentation:: Dave Thomas and Gavin Sinclair