Update README.md

Author: andrey-helldar

README.md

@@ -153,7 +153,7 @@ ascending order:
 This package is licensed under the [MIT License](LICENSE).
 
 
-[badge_build]:          https://img.shields.io/github/actions/workflow/status/TheDragonCode/size-sorter/phpunit.yml?style=flat-square
+[badge_build]:          https://img.shields.io/github/actions/workflow/status/TheDragonCode/size-sorter/tests.yml?style=flat-square
 
 [badge_downloads]:      https://img.shields.io/packagist/dt/dragon-code/size-sorter.svg?style=flat-square