**Replace this placeholder text with a summary of the changes in your PR.
The more detailed you are, the better.**

-----------------

Before submitting the PR make sure the following things have been done (and denote this
by checking the relevant checkboxes):

- [ ] The commits are consistent with our [contribution guidelines][1]
- [ ] You've added tests (if possible) to cover your change(s)
- [ ] All tests are passing (`make test`)
- [ ] The new code is not generating bytecode or `M-x checkdoc` warnings
- [ ] You've updated the changelog (if adding/changing user-visible functionality)
- [ ] You've updated the readme (if adding/changing user-visible functionality)
- [ ] You've updated the refcard (if you made changes to the commands listed there)

Thanks!

*If you're just starting out to hack on CIDER you might find this [section of its
manual][2] extremely useful.*

[1]: https://github.com/clojure-emacs/cider/blob/master/.github/CONTRIBUTING.md
[2]: https://cider.readthedocs.io/en/latest/hacking_on_cider/