@@ -1,15 +1,9 @@
 #lang racket/base
 
-;; Licensed under the Local Yarn License 1.0.0. You may not use this 
-;; file except in compliance with that license. A copy of the license
-;; is included with this source code, in the file “LICENSE.md”.
-;;
-;; Maintainer contact information:
-;;   Joel Dueck (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.
 
 ;; Functions for tags and template content used in all Pollen source files and templates.
 
 (require (for-syntax racket/base
                      racket/syntax