diff --git a/go/src/sprites/display/main.go b/go/src/sprites/display/main.go
index 6db900d..ab35503 100644
--- a/go/src/sprites/display/main.go
+++ b/go/src/sprites/display/main.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
 // Copyright 2014 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.