diff --git a/lib/tfw/linear_fsm.py b/lib/tfw/linear_fsm.py
index f5a63ba..2725ff8 100644
--- a/lib/tfw/linear_fsm.py
+++ b/lib/tfw/linear_fsm.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from .fsm_base import FSMBase