Merge pull request #22 from samdark/patch-1

Added clear description of the repository

Author: obenjiro

README.md

@@ -5,7 +5,7 @@
 [![Build Status](https://travis-ci.org/SimplePEG/JavaScript.svg?branch=master)](https://travis-ci.org/SimplePEG/JavaScript)
 [![Coverage Status](https://coveralls.io/repos/github/SimplePEG/JavaScript/badge.svg?branch=master)](https://coveralls.io/github/SimplePEG/JavaScript?branch=master)
 
-JavaScript version ( Browser and Node.js ) of SimplePEG
+JavaScript version ( Browser and Node.js ) of SimplePEG. A very simple implementation of [PEG](https://en.wikipedia.org/wiki/Parsing_expression_grammar) parser generator.
 
 ```
 const simplepeg = require('simplepeg');