Update README img tag

Author: AdrianMrn

README.md

@@ -32,7 +32,7 @@ In his excellent talk at Laracon EU 2017 [Amo Chohan](https://github.com/amochoh
 
 ## Support us
 
-[![Image](https://github-ads.s3.eu-central-1.amazonaws.com/phpunit-watcher.jpg)](https://spatie.be/github-ad-click/phpunit-watcher)
+[<img src="https://github-ads.s3.eu-central-1.amazonaws.com/phpunit-watcher.jpg?t=1" width="419px" />](https://spatie.be/github-ad-click/phpunit-watcher)
 
 We invest a lot of resources into creating [best in class open source packages](https://spatie.be/open-source). You can support us by [buying one of our paid products](https://spatie.be/open-source/support-us).