diff --git a/cfg_checker/common/const.py b/cfg_checker/common/const.py
index 95497ec..ac7b2ca 100644
--- a/cfg_checker/common/const.py
+++ b/cfg_checker/common/const.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 """Constants that is not to be changed and used in all other files
 """