README.md in boojs-0.0.22 vs README.md in boojs-0.0.24

@@ -1,8 +1,8 @@
 ![boojs: A unix tool to execute headless browser javascript](https://raw.githubusercontent.com/sotownsend/boojs/master/logo.png)
 
-[![Gem Version](https://badge.fury.io/rb/BooJS.svg)](http://badge.fury.io/rb/boojs)
+[![Gem Version](https://badge.fury.io/rb/boojs.svg)](http://badge.fury.io/rb/boojs)
 [![Build Status](https://travis-ci.org/sotownsend/BooJS.svg?branch=master)](https://travis-ci.org/sotownsend/boojs)
 [![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/sotownsend/BooJS/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
 [![License](http://img.shields.io/badge/license-MIT-green.svg?style=flat)](https://github.com/sotownsend/BooJS/blob/master/LICENSE)
 
 <p align="center">
@@ -57,9 +57,12 @@
 ```sh
 (sh)>boojs -v code.js
 (sh)>echo $?
 0
 ```
+
+#### Additional notes
+  * Calling `booPing()` will immediately return `"pong"` to `stdout`. You may use this to know when boo has started up fully.
 
 ## Requirements
 
 - Ruby 2.1 or Higher