Update README.md

Author: phayes

README.md

@@ -1,7 +1,7 @@
 [![Build Status](https://travis-ci.org/highwire/opensource-php-BetterDOMDocument.svg?branch=master)](https://travis-ci.org/highwire/opensource-php-BetterDOMDocument)
 
 BetterDOMDocument is a handy PHP utility class for working with XML. It's a wrapper for PHP's built in DOMDocument that provides a bunch of nice shortcuts that
-makes working with XML in PHP a breeze. It has great built-in support for namespaces, xpath, and CSS selectors.
+makes working with XML in PHP a breeze. It has great built-in support for namespaces, and xpath queries.
 
 ```
 composer require highwire/better-dom-document