diff --git a/gm/xfermodes.cpp b/gm/xfermodes.cpp
index b8565a3..51a959e 100644
--- a/gm/xfermodes.cpp
+++ b/gm/xfermodes.cpp
@@ -1,3 +1,10 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
 #include "gm.h"
 #include "SkBitmap.h"
 #include "SkShader.h"