@@ -1,25 +1,9 @@
 #lang pollen/pre
 
-/* Copyright (c) 2018 Joel Dueck.
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**       http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-**
-** Author contact information:
-**   joel@jdueck.net
-**   https://joeldueck.com
-** -------------------------------------------------------------------------
+/* SPDX-License-Identifier: BlueOak-1.0.0
+** This file is licensed under the Blue Oak Model License 1.0.0. */
 
 /* Welcome to my CSS File!  
 ** I have named it `martin.css`, after Martin Pale. */
 
 ◊;{Here, broadly, is the approach we are taking here: