Fixing readme.

Author: fubhy

README.md

@@ -1,7 +1,7 @@
 # GraphQL JSON for Drupal
 
 [![Build Status](https://img.shields.io/travis/drupal-graphql/graphql-json.svg)](https://travis-ci.org/drupal-graphql/graphql-json)
-[![Code Coverage](https://img.shields.io/codecov/c/github/drupal-graphql/graphql-json.svg)](https://codecov.io/gh/fubhy/graphql-json)
+[![Code Coverage](https://img.shields.io/codecov/c/github/drupal-graphql/graphql-json.svg)](https://codecov.io/gh/drupal-graphql/graphql-json)
 [![Code Quality](https://img.shields.io/scrutinizer/g/drupal-graphql/graphql-json.svg)](https://scrutinizer-ci.com/g/drupal-graphql/graphql-json/?branch=8.x-1.x)
 
 Please refer to the main [Drupal GraphQL] module for further information.