XS✔ ◾ Correcting README (#405)

## Summary

The README is currently slightly ambiguous in its documentation of the
expected output. This PR fixes the issue by adding another line break,
bringing the example in line with the comments that will be created by
the app.

README.md

@@ -25,6 +25,7 @@ The task will also add a comment to the PR with a detailed breakdown of the
 metrics:
 
 > **Metrics for iteration 1**
+>
 > :heavy_check_mark: Thanks for keeping your pull request small.
 >
 > :heavy_check_mark: Thanks for adding tests.