diff --git a/services/device/dmrun/dmrun.go b/services/device/dmrun/dmrun.go
index 3d5b5fa..c829566 100644
--- a/services/device/dmrun/dmrun.go
+++ b/services/device/dmrun/dmrun.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.
+
 // Command dmrun runs a binary on a remote GCE instance using device manager.
 //
 // dmrun creates the GCE instance, installs and starts device manager on it, and