Use correct link

Author: Jamie Hannaford

README.md

@@ -19,7 +19,7 @@ Requirements
 * PHP >=5.4
 * cURL extension for PHP
 
-**Note**: Since PHP 5.3 has reached [end of life](http://php.net/eol.php) and is no longer officially supported, we are moving to 5.4 as a minimum requirement. If upgrading is not an option and you still need a stable version of the SDK for 5.3, please follow [this guide](http://docs.php-opencloud.com/en/latest/using-php-5.3).
+**Note**: Since PHP 5.3 has reached [end of life](http://php.net/eol.php) and is no longer officially supported, we are moving to 5.4 as a minimum requirement. If upgrading is not an option and you still need a stable version of the SDK for 5.3, please follow [this guide](http://docs.php-opencloud.com/en/latest/using-php-5.3.html).
 
 Installation
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