diff --git a/cfg_checker/common/other.py b/cfg_checker/common/other.py
index b5a0406..4c3ef04 100644
--- a/cfg_checker/common/other.py
+++ b/cfg_checker/common/other.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 import functools
 import os
 import re