diff --git a/src/modules/px4iofirmware/protocol.h b/src/modules/px4iofirmware/protocol.h
index 50ef2faa51..04fd0712fc 100644
--- a/src/modules/px4iofirmware/protocol.h
+++ b/src/modules/px4iofirmware/protocol.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (c) 2012-2014 PX4 Development Team. All rights reserved.
+ *   Copyright (c) 2012-2017 PX4 Development Team. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -40,6 +40,8 @@
  *
  * PX4IO interface protocol.
  *
+ * @author Lorenz Meier <lorenz@px4.io>
+ *
  * Communication is performed via writes to and reads from 16-bit virtual
  * registers organised into pages of 255 registers each.
  *