diff --git a/website/pages/global.css b/website/pages/global.css
index 9a1c173..59eb481 100644
--- a/website/pages/global.css
+++ b/website/pages/global.css
@@ -1,3 +1,12 @@
+/*
+ * Copyright (C) 2021 Leah Rowe <leah@libreboot.org>
+ *
+ * Permission is granted to copy, distribute and/or modify this document
+ * under the terms of the GNU Free Documentation License, Version 1.3
+ * or any later version published by the Free Software Foundation;
+ * with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+ */
+
 .warning_banner {
 	background:#000000;
 	color:#ffffff;