Update README.md

Author: TomHAnderson

README.md

@@ -3,7 +3,7 @@
 [![Build Status](https://travis-ci.com/API-Skeletons/laravel-hal.svg?branch=master)](https://travis-ci.com/API-Skeletons/laravel-hal)
 [![Coverage Status](https://coveralls.io/repos/github/API-Skeletons/laravel-hal/badge.svg?branch=master)](https://coveralls.io/github/API-Skeletons/laravel-hal?branch=master)
 [![Documentation Status](https://readthedocs.org/projects/api-skeletons-laravel-hal/badge/?version=latest)](https://api-skeletons-laravel-hal.readthedocs.io/en/latest/?badge=latest)
-[![PHP Version](https://img.shields.io/badge/PHP-7.3%20to%208.0-blue)](https://img.shields.io/badge/PHP-7.3%20to%208.0-blue)
+[![PHP Version](https://img.shields.io/badge/PHP-7.3%20to%208.0%2b-blue)](https://img.shields.io/badge/PHP-7.3%20to%208.0%2b-blue)
 [![Laravel Version](https://img.shields.io/badge/Laravel-5.7%20to%208.x-red)](https://img.shields.io/badge/Laravel-5.7%20to%208.x-red)
 [![Total Downloads](https://poser.pugx.org/api-skeletons/laravel-hal/downloads)](//packagist.org/packages/api-skeletons/laravel-hal)
 [![License](https://poser.pugx.org/api-skeletons/laravel-hal/license)](//packagist.org/packages/api-skeletons/laravel-hal)