diff --git a/hack/header.txt b/hack/header.txt
index 35c39913..13b88418 100644
--- a/hack/header.txt
+++ b/hack/header.txt
@@ -1,2 +1,2 @@
-// Copyright 2020 the Pinniped contributors. All Rights Reserved.
-// SPDX-License-Identifier: Apache-2.0
+Copyright 2020 the Pinniped contributors. All Rights Reserved.
+SPDX-License-Identifier: Apache-2.0