diff --git a/python/misc_utils/hier_block.py b/python/misc_utils/hier_block.py
index 189165d..0dc9c78 100644
--- a/python/misc_utils/hier_block.py
+++ b/python/misc_utils/hier_block.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python2
 # -*- coding: utf-8 -*-
 # @file
-# @author Piotr Krysik <ptrkrysik@gmail.com>
+# @author (C) 2016 by Piotr Krysik <ptrkrysik@gmail.com>
 # @section LICENSE
 #
 # Gr-gsm is free software; you can redistribute it and/or modify