diff --git a/bench/MatrixBench.cpp b/bench/MatrixBench.cpp
index 680241a..3d8c224 100644
--- a/bench/MatrixBench.cpp
+++ b/bench/MatrixBench.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 "SkBenchmark.h"
 #include "SkMatrix.h"
 #include "SkRandom.h"