1 files changed, 3 insertions, 1 deletions
diff --git a/avr/main.c b/avr/main.c
index f601736..8bffef9 100644
--- a/avr/main.c
+++ b/avr/main.c
@@ -1,9 +1,11 @@
 /*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 
 #include "common.h"
-
 #include <avr/interrupt.h>
 #include <stdlib.h>
 #include <stdio.h>