1 files changed, 2 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index fc41a87..d1f8fb3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+## SPDX-FileCopyrightText: 2021 M. Shulhan <ms@kilabit.info>
+## SPDX-License-Identifier: GPL-3.0-or-later
 .PHONY: all install
 
 all: