diff --git a/docs/tutorial/highlight_60.js b/docs/tutorial/highlight_60.js
index b7355ac8c..6c1cd80ef 100644
--- a/docs/tutorial/highlight_60.js
+++ b/docs/tutorial/highlight_60.js
@@ -1,3 +1,13 @@
+/* LICENSE BEGIN
+    This file is part of the SixtyFPS Project -- https://sixtyfps.io
+    Copyright (c) 2020 Olivier Goffart <olivier.goffart@sixtyfps.io>
+    Copyright (c) 2020 Simon Hausmann <simon.hausmann@sixtyfps.io>
+
+    SPDX-License-Identifier: GPL-3.0-only
+    This file is also available under commercial licensing terms.
+    Please contact info@sixtyfps.io for more information.
+LICENSE END */
+
 hljs.registerLanguage("60", function (hljs) {
   const KEYWORDS = {
     keyword: