diff --git a/src/check-redundant b/src/check-redundant
index 8c06812..225219b 100755
--- a/src/check-redundant
+++ b/src/check-redundant
@@ -1,18 +1,31 @@
#!/bin/sh
-# Original author: XGQT
-# Licensed under the ISC License
-# Copyright (c) 2020, src_prepare group
+# This file is part of scripts.
+
+# scripts is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# scripts is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with scripts. If not, see .
+
+# Original author: Maciej Barć
+# Copyright (c) 2020-2021, src_prepare group
+# Licensed under the GNU GPL v3 License
# Use this script to check which pkgs in a overlay might
# be redundant - are in overlays other than the tested one
-
# Arguments:
# 1 - overlay
# depends (heavily) on eix (1)
-
# Some eix options used here:
# --exact
# --force-color