Update README.md

Author: afariasfermin

README.md

@@ -1,7 +1,7 @@
 # Web-API
 
 [![Build Status](https://api.travis-ci.org/RentadroneCL/Web-API.svg)](https://travis-ci.org/github/RentadroneCL/Web-API)
-[![Coverage Status](https://coveralls.io/repos/github/RentadroneCL/Web-API/badge.svg?branch=development)](https://coveralls.io/github/RentadroneCL/Web-API?branch=development)
+[![Coverage Status](https://coveralls.io/repos/github/RentadroneCL/Web-API/badge.svg)](https://coveralls.io/github/RentadroneCL/Web-API)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/ambv/black)
 [![Checked with mypy](http://www.mypy-lang.org/static/mypy_badge.svg)](http://www.mypy-lang.org)
 [![License](https://poser.pugx.org/composer/spdx-licenses/license)](https://packagist.org/packages/composer/spdx-licenses)