diff --git a/ChangeLog b/ChangeLog
index cf9e8a9a46..fb09e9155d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon May 30 20:22:00 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/ruby/test_signal.rb (TestSignal#test_signal_requiring): small
+	  but critical typo of r31642.  sorry...
+	  [Bug #4798] [ruby-core:36550]
+
 Mon May 30 15:44:16 2011  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* insns.def (opt_mult): as r31805, volatile it.
diff --git a/test/ruby/test_signal.rb b/test/ruby/test_signal.rb
index 331c1c5ee6..b53c68d925 100644
--- a/test/ruby/test_signal.rb
+++ b/test/ruby/test_signal.rb
@@ -198,7 +198,7 @@ class TestSignal < Test::Unit::TestCase
   end
 
   def test_signal_requiring
-    skip "limitation of GenerateConsoleCtrlEvent()" if /mswin|mignw/ =~ RUBY_PLATFORM
+    skip "limitation of GenerateConsoleCtrlEvent()" if /mswin|mingw/ =~ RUBY_PLATFORM
     t = Tempfile.new(%w"require_ensure_test .rb")
     t.puts "sleep"
     t.close