Update README.md (typo)

README.md

@@ -21,7 +21,7 @@ To get started, take a look at the installation instructions and examples below.
 
 ## License
 
-This software is distributed under the Lesser GNU Plublic License v2.1 (LGPL 2.1).
+This software is distributed under the GNU Lesser General Public License v2.1 (LGPL 2.1).
 
 This software is based on the [QUT EV3 MATLAB Toolkit](https://wiki.qut.edu.au/display/cyphy/QUT+EV3+MATLAB+toolkit) 
 by Peter Corke et al. of Queensland University.