Fix license section

Author: dmitry-ivanov

README.md

@@ -812,6 +812,6 @@ $this->dontSeeRegisteredCommand('foobarbaz');
 
 ## License
 
-The MIT License. Check the [License File](LICENSE.md) for more information.
+Laravel Testing Tools is open-sourced software licensed under the [MIT license](LICENSE.md).
 
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