diff --git a/go/gccgoexportdata/gccgoexportdata_test.go b/go/gccgoexportdata/gccgoexportdata_test.go
index 1aa114c..0d04102 100644
--- a/go/gccgoexportdata/gccgoexportdata_test.go
+++ b/go/gccgoexportdata/gccgoexportdata_test.go
@@ -1,3 +1,7 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 package gccgoexportdata_test
 
 import (