Update README.md

grammar

Co-authored-by: Margaret Eker <meker@adobe.com>

Author: dshevtsov

README.md

@@ -45,7 +45,7 @@ We encourage experts from the Community to help us with GitHub routines such as
 
 ### Leaders
 
-We highly appreciate contributions that help us to improve the code, clarify the documentation, and increase the test coverage. Check out our Community leaders, superstars, and superheroes on the [leaderboard](https://magento.biterg.io/app/kibana#/dashboard/41dc0c60-fa06-11eb-bbaa-dd6ca6f8fda8?_g=()).
+We highly appreciate contributions that help us to improve the code, clarify the documentation, and increase test coverage. Check out our Community leaders, superstars, and superheroes on the [leaderboard](https://magento.biterg.io/app/kibana#/dashboard/41dc0c60-fa06-11eb-bbaa-dd6ca6f8fda8?_g=()).
 
 [![](https://raw.githubusercontent.com/wiki/magento/magento2/images/contributors.png)](https://magento.com/magento-contributors)