Update README.md

Author: aivis

README.md

@@ -1,6 +1,6 @@
 ## Laravel 5 service provider for Understand.io
 
-[![Build Status](https://travis-ci.org/understand/understand-laravel5.svg)](https://travis-ci.org/understand/understand-laravel5)
+[![Build Status](https://api.travis-ci.org/understand/understand-laravel5.svg?branch=master)](https://api.travis-ci.org/understand/understand-laravel5.svg?branch=master)
 [![Latest Stable Version](https://poser.pugx.org/understand/understand-laravel5/v/stable.svg)](https://packagist.org/packages/understand/understand-laravel5) 
 [![Total Downloads](https://poser.pugx.org/understand/understand-laravel5/downloads)](https://packagist.org/packages/understand/understand-laravel5)
 [![License](https://poser.pugx.org/understand/understand-laravel5/license.svg)](https://packagist.org/packages/understand/understand-laravel5)