diff --git a/experimental/PdfViewer/SkPdfGraphicsState.cpp b/experimental/PdfViewer/SkPdfGraphicsState.cpp
index 3e7f7a8..498a6a7 100644
--- a/experimental/PdfViewer/SkPdfGraphicsState.cpp
+++ b/experimental/PdfViewer/SkPdfGraphicsState.cpp
@@ -1,3 +1,10 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
 #include "SkPdfGraphicsState.h"
 #include "SkPdfNativeTokenizer.h"