diff --git a/kernel_config_merger.pl b/kernel_config_merger.pl
index 76b2c8c..9b97ddb 100644
--- a/kernel_config_merger.pl
+++ b/kernel_config_merger.pl
@@ -1,3 +1,7 @@
+# Copyright © Sergio Iglesias 2020
+# License: GPLv2
+# With love but without warranty.
+
 use strict;
 use warnings;