Add missing symbols

Author: hsmistry

LICENSE.md

@@ -1,4 +1,4 @@
-Copyright � 2019 Pico Technology Ltd.
+Copyright © 2019 Pico Technology Ltd.
 
 Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.
 

README.md

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 # PicoScope 6000 Series (A API) - MATLAB Generic Instrument Driver
 
-This MATLAB<sup>�</sup> Generic Instrument Driver allows you to acquire data from the PicoScope<sup>�</sup> 6000 Series Oscilloscopes and control built-in signal generator functionality. The data could be processed in MATLAB using functions from Toolboxes such as [Signal Processing Toolbox](https://www.mathworks.com/products/signal.html). 
+This MATLAB<sup>®</sup> Generic Instrument Driver allows you to acquire data from the PicoScope<sup>®</sup> 6000 Series Oscilloscopes and control built-in signal generator functionality. The data could be processed in MATLAB using functions from Toolboxes such as [Signal Processing Toolbox](https://www.mathworks.com/products/signal.html). 
 
-The driver has been updated using Instrument Control Toolbox v3.13. 
+The driver has been created using Instrument Control Toolbox (TBC). 
 
 This Instrument Driver package includes the following: 
 
@@ -77,5 +77,5 @@ are trademarks of The Mathworks, Inc.
 
 *Linux* is the registered trademark of Linus Torvalds in the U.S. and other countries.
 
-Copyright � 2019 Pico Technology Ltd. All rights reserved. 
+Copyright © 2019 Pico Technology Ltd. All rights reserved.