diff --git a/engine/models.go b/engine/models.go
index 3a7a20334..a82668ccb 100644
--- a/engine/models.go
+++ b/engine/models.go
@@ -2,7 +2,7 @@
 Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
 Copyright (C) ITsysCOM GmbH
 
-This program is free software:".*"y
+This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.