diff --git a/.gitignore b/.gitignore
index 3c81125..01813d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: CC0-1.0
+# SPDX-FileCopyrightText: none
 # Ignore the following files
 *~
 *.[oa]