diff --git a/meson_options.txt b/meson_options.txt
index 73ef890..e8bfeda 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1,3 +1,7 @@
+# Copyright lowRISC contributors.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
 option(
   'dev_bin_dir',
   type: 'string',