diff --git a/experimental/Intersection/CubicSubDivide.cpp b/experimental/Intersection/CubicSubDivide.cpp
index 98250ad..e363a0d 100644
--- a/experimental/Intersection/CubicSubDivide.cpp
+++ b/experimental/Intersection/CubicSubDivide.cpp
@@ -1,3 +1,9 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
 #include "CurveIntersection.h"
 #include "IntersectionUtilities.h"