Adjust wording of description for Requests PHP client library

Author: kadamwhite

using-the-rest-api/client-libraries.md

@@ -8,7 +8,7 @@ The API can be used from any application by sending basic HTTP requests; however
 
 ## PHP
 
-[Requests](https://github.com/WordPress/Requests) for PHP is a humble HTTP request library. While not specifically designed for the WordPress REST API, it is a great tool for interacting with any REST API.
+[Requests](https://github.com/WordPress/Requests) for PHP is a general purpose HTTP request library. While not specifically designed for the WordPress REST API, it is a great tool for interacting with any HTTP API.
 
 [WordPress-PHP-SDK](https://github.com/madeITBelgium/WordPress-PHP-SDK) is a PHP SDK for the WordPress REST API, which can be installed using [composer](https://getcomposer.org/).