1 files changed, 1 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 5f91a28..3a8868e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 14
 SUBLEVEL = 0