diff --git a/cfg_checker/cli/arguments.py b/cfg_checker/cli/arguments.py
index 28f3a04..387ed59 100644
--- a/cfg_checker/cli/arguments.py
+++ b/cfg_checker/cli/arguments.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 import os
 
 from cfg_checker.common.settings import pkg_dir
diff --git a/cfg_checker/cli/command.py b/cfg_checker/cli/command.py
index 566a498..778cdb1 100644
--- a/cfg_checker/cli/command.py
+++ b/cfg_checker/cli/command.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 import pkgutil
 import sys
 import traceback
diff --git a/cfg_checker/cli/network.py b/cfg_checker/cli/network.py
index 6d3059e..deb8f26 100644
--- a/cfg_checker/cli/network.py
+++ b/cfg_checker/cli/network.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 from .command import cli_command
 
 
diff --git a/cfg_checker/cli/packages.py b/cfg_checker/cli/packages.py
index b1319a1..ea05a8c 100644
--- a/cfg_checker/cli/packages.py
+++ b/cfg_checker/cli/packages.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 from .command import cli_command
 
 
diff --git a/cfg_checker/cli/reclass.py b/cfg_checker/cli/reclass.py
index 652f00a..1bc0d66 100644
--- a/cfg_checker/cli/reclass.py
+++ b/cfg_checker/cli/reclass.py
@@ -1,3 +1,5 @@
+#    Author: Alex Savatieiev (osavatieiev@mirantis.com; a.savex@gmail.com)
+#    Copyright 2019-2022 Mirantis, Inc.
 from .command import cli_command