diff --git a/ChangeLog b/ChangeLog
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+Sun Dec 29 08:47:24 2013  Lucas Allan Amorim  <lucas.allan@gmail.com>
+
+	* test/ruby/test_sprintf.rb (test_hash): Added tests for sprintf
+	  with a hash as parameter.  [Fixes GH-491]
+
 Sun Dec 29 08:21:09 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm_insnhelper.c (vm_search_super_method): direct superclass of a