diff --git a/gm/gm.h b/gm/gm.h
index ce10ec7..531ade2 100644
--- a/gm/gm.h
+++ b/gm/gm.h
@@ -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.
+ */
 #ifndef skiagm_DEFINED
 #define skiagm_DEFINED