Update CONTRIBUTING.md

Author: BooleanCube

CONTRIBUTING.md

@@ -107,4 +107,4 @@ Some notes:
 - _ALL PULL REQUESTS_ should be covered by a test: either by a previously-failing test, an existing test that covers the entire functionality of the submitted code, or new tests to verify any new/changed behavior. All tests must also pass and follow established conventions. Test coverage should not drop, unless the specific case is considered reasonable by maintainers.
 - Please make sure you're familiar with the code or documentation being updated, unless it's a minor change (spellchecking, minor formatting, etc). You may @mention another project member who you think is better suited for the review, but still provide a non-approving review of your own.
 - Be extra kind: people who submit code/doc contributions are putting themselves in a pretty vulnerable position, and have put time and care into what they've done (even if that's not obvious to you!) -- always respond with respect, be understanding, but don't feel like you need to sacrifice your standards for their sake, either. Just don't be a jerk about it?
-                                                                                                                                                                                                                                                                                                                                                                                                                                           |
+