diff --git a/cfg_checker/modules/reclass/comparer.py b/cfg_checker/modules/reclass/comparer.py
index c9cac60..84e10a6 100644
--- a/cfg_checker/modules/reclass/comparer.py
+++ b/cfg_checker/modules/reclass/comparer.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 """Model Comparer:
 - yaml parser
 - class tree comparison