Fix readme

Author: texdc

README.md

@@ -1,16 +1,16 @@
 This PHP library implements a subscriber for PubSubHubbub.
 
-It was written by [Josh Fraser](joshfraser.com) and is released under the Apache 2.0 License
+It was written by [Josh Fraser](http://joshfraser.com) and is released under the Apache 2.0 License
 
 # Install
 Update your `composer` require block:
 ```json
-"require": { "phpsubhubub/subscriber": "*" }
+"require": { "pubsubhubub/subscriber": "*" }
 ```
 
 # Usage
 ```php
-use phpsubhubbub\subscriber\Subscriber;
+use pubsubhubbub\subscriber\Subscriber;
 
 $hub_url      = "http://pubsubhubbub.appspot.com";
 $callback_url = "put your own endpoint here";