Slight formatting/wording improvements
## Description
+
+Fixes #X. <!-- Insert issue number here if applicable. -->
+
(...)
-Fixes #(insert issue number here if applicable)
+## To Do
-## TODO
-- [ ] docs - If you've added a new command flag, for example, find the appropriate page under docs/ where it needs to be listed
-- [ ] Add a changelog entry to docs/changelog.rst near the top of the document.
-- [ ] Add tests (suggested, but not a hard requirement)
+- [ ] Documentation. (If you've add a new command-line flag, for example, find the appropriate page under `docs/` to describe it.)
+- [ ] Changelog. (Add an entry to `docs/changelog.rst` near the top of the document.)
+- [ ] Tests. (Encouraged but not strictly required.)
