[LICENSE] Copyright -> SPDX-FileCopyrightText:
diff --git a/scripts/generate_fill.py b/scripts/generate_fill.py
index 330482d..6b4cbcd 100755
--- a/scripts/generate_fill.py
+++ b/scripts/generate_fill.py
@@ -1,5 +1,5 @@
 #!/bin/env python3
-# Copyright 2020 Efabless Corporation
+# SPDX-FileCopyrightText: 2020 Efabless Corporation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.