README.md in reek-4.5.5 vs README.md in reek-4.5.6

@@ -481,10 +481,12 @@
 
 ```
 bundle exec rake ci
 ```
 
-This will run everything the default task runs and also [Ataru](https://github.com/CodePadawans/ataru) and [Mutant](https://github.com/mbj/mutant). This is the task that we run on Travis as well and that determines if your pull request is green or red.
+This will run everything the default task runs and also
+[Ataru](https://github.com/CodePadawans/ataru). This is the task that we run on
+Travis as well and that determines if your pull request is green or red.
 
 Another useful Rake task is the `console` task. This will throw you right into an environment where you can play around with Reeks modules and classes:
 
 ```
 bundle exec rake console