diff --git a/libs/ardour/ardour/engine_state_controller.h b/libs/ardour/ardour/engine_state_controller.h
index 2114b2a26b..7a824b12f1 100644
--- a/libs/ardour/ardour/engine_state_controller.h
+++ b/libs/ardour/ardour/engine_state_controller.h
@@ -1,10 +1,21 @@
-//
-//  engine_state_controller.h
-//  Tracks
-//
-//  Created by Grygorii Zharun on 4/30/14.
-//  Copyright (c) 2014 Waves. All rights reserved.
-//
+/*
+ Copyright (C) 2014 Waves Audio Ltd.
+ 
+ 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 2 of the License, or
+ (at your option) any later version.
+ 
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+ */
 
 #ifndef __gtk2_ardour__engine_state_controller__
 #define __gtk2_ardour__engine_state_controller__
diff --git a/libs/ardour/engine_state_controller.cc b/libs/ardour/engine_state_controller.cc
index ca7d289d72..60ff0e7aa2 100644
--- a/libs/ardour/engine_state_controller.cc
+++ b/libs/ardour/engine_state_controller.cc
@@ -1,10 +1,21 @@
-//
-//  engine_state_controller.cpp
-//  Tracks
-//
-//  Created by Grygorii Zharun on 4/30/14.
-//  Copyright (c) 2014 Waves. All rights reserved.
-//
+/*
+ Copyright (C) 2014 Waves Audio Ltd.
+ 
+ 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 2 of the License, or
+ (at your option) any later version.
+ 
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+ 
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+ */
 
 #include "ardour/engine_state_controller.h"