Update README.md

Update readme

Author: CreativeRobotics

README.md

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 # Commander is a system for handling commands sent over serial ports or other Stream objects.
 
-## It is designed to make it easy to create complex and powerful text based interfaces for controlling your sketch.
+## Easily create complex and powerful text based interfaces for controlling your sketch.
 
 # [Visit the wiki](https://github.com/CreativeRobotics/Commander/wiki)