Make small grammar tweaks to Release Checklist

.github/RELEASE_CHECKLIST.md

@@ -8,8 +8,10 @@ properly publish a release to GitHub and PyPI.
   - [ ] Run tests and coverage report (`coverage run -m nose2`)
     - [ ] All tests pass
     - [ ] Code coverage is over 90% for all files
-  - [ ] Update Migration Guide with details on breaking API changes and upgrade path
-  - [ ] Update README and Migration Guide with latest major release (e.g. v8)
+  - [ ] Update Migration Guide with details of any breaking API changes and
+    upgrade path, if applicable
+  - [ ] Update README and Migration Guide with latest major release (e.g. v8),
+    if applicable
   - [ ] Write release notes for new release
   - [ ] Check copyright line break in README (there should be two spaces after
     the *Copyright <year> Caleb Evans* line; sometimes these can get removed
@@ -22,9 +24,9 @@ properly publish a release to GitHub and PyPI.
     - [ ] `git pull`
     - [ ] `git merge develop`
   - [ ] Commit version bump in `pyproject.toml`
-    - [ ] Commit message must be `Prepare v<new_version> release`, e.g. `Prepare v8.0.0 release`
+    - [ ] Commit message must be `Prepare v<new_version> release` (e.g. `Prepare v8.0.0 release`)
   - [ ] Tag commit with new release number
-    - [ ] Tag name must be v-prefixed, followed by the semantic version, e.g.
+    - [ ] Tag name must be v-prefixed, followed by the semantic version (e.g.
       `v8.0.0`)
   - [ ] Push new commit and tag with `git push && git push --tags`
 - [ ] Post-Release