Update README.md

Author: tattali

README.md

@@ -5,7 +5,8 @@ MobileDetectBundle
 
 Symfony 3.4.x-6.0.x bundle for detect mobile devices, manage mobile view and redirect to the mobile and tablet version.
 
-[![Github Actions Status](https://github.com/tattali/MobileDetectBundle/actions/workflows/main.yml/badge.svg?branch=master)](https://github.com/tattali/MobileDetectBundle/actions/workflows/main.yml?query=branch%3Amaster) [![Total Downloads](http://poser.pugx.org/tattali/mobile-detect-bundle/downloads)](https://packagist.org/packages/tattali/mobile-detect-bundle)  [![Latest Stable Version](http://poser.pugx.org/tattali/mobile-detect-bundle/v)](https://packagist.org/packages/tattali/mobile-detect-bundle) [![codecov](https://codecov.io/gh/tattali/MobileDetectBundle/branch/master/graph/badge.svg?token=HWV1OYRSD9)](https://codecov.io/gh/tattali/MobileDetectBundle)
+[![Github Actions Status](https://github.com/tattali/MobileDetectBundle/actions/workflows/main.yml/badge.svg?branch=main
+)](https://github.com/tattali/MobileDetectBundle/actions/workflows/main.yml?query=branch%3Amain) [![Total Downloads](http://poser.pugx.org/tattali/mobile-detect-bundle/downloads)](https://packagist.org/packages/tattali/mobile-detect-bundle)  [![Latest Stable Version](http://poser.pugx.org/tattali/mobile-detect-bundle/v)](https://packagist.org/packages/tattali/mobile-detect-bundle) [![codecov](https://codecov.io/gh/tattali/MobileDetectBundle/branch/main/graph/badge.svg?token=HWV1OYRSD9)](https://codecov.io/gh/tattali/MobileDetectBundle)
 
 *This bundle is a fork of [suncat2000/MobileDetectBundle](https://github.com/suncat2000/MobileDetectBundle). As this project doesn't look maintained anymore, we decided to create & maintain a fork.*