Update README.adoc

Author: agdl

libraries/Firmata/README.adoc

@@ -7,7 +7,7 @@ http://arduino.cc/en/Reference/Firmata
 
 == License ==
 
-Copyright (C) 2006-2008 Hans-Christoph Steiner. All rights reserved.
+Copyright (c) 2006-2008 Hans-Christoph Steiner. All rights reserved.
 Copyright (c) 2010 Arduino LLC. All right reserved.
 
 This library is free software; you can redistribute it and/or