Sync PR template with main repo.

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,24 +1,20 @@
-##### Instructions
+### Instructions
 
-- Look for and complete the section relevant to your submission. Delete the others, including these `Instructions`.
-- `{{cask_file}}` represents the cask file you’re submitting/editing (if applicable).
-- If there’s a checkbox you can’t complete for any reason, that’s OK. Just explain in detail why you weren’t able to do so.
+Delete the parts of this template that are not relevant (including these `Instructions`) and fill out the rest.  
+If there’s a checkbox you can’t complete for any reason, that’s OK. Just explain in detail why you weren’t able to do so.  
+*Note:* `{{cask_file}}` represents the cask file you’re submitting/editing.
 
-### Changes to a cask
-#### Editing an existing cask
 
-- [ ] Commit message includes cask’s name (and new version, if applicable).
+### Checklist
+
+- [ ] The commit message includes the cask’s name and version.
 - [ ] `brew cask audit --download {{cask_file}}` is error-free.
 - [ ] `brew cask style --fix {{cask_file}}` left no offenses.
 
-#### Adding a new cask
+Additionally, when **adding a new cask**:
 
-- [ ] Checked there aren’t open [pull requests](https://github.com/caskroom/homebrew-versions/pulls) for the same cask.
-- [ ] Checked there aren’t closed [issues](https://github.com/caskroom/homebrew-versions/issues) where that cask was already refused.
-- [ ] Checked the cask follows the requirements of [acceptable casks](https://github.com/caskroom/homebrew-versions#acceptable-casks).
+- [ ] Checked there are no open [pull requests](https://github.com/caskroom/homebrew-versions/pulls) for the same cask.
+- [ ] Checked there are no closed [issues](https://github.com/caskroom/homebrew-versions/issues) where that cask was already refused.
 - [ ] When naming the cask, followed the [token reference](https://github.com/caskroom/homebrew-cask/blob/master/doc/cask_language_reference/token_reference.md).
-- [ ] Commit message includes cask’s name.
-- [ ] `brew cask audit --download {{cask_file}}` is error-free.
-- [ ] `brew cask style --fix {{cask_file}}` left no offenses.
 - [ ] `brew cask install {{cask_file}}` worked successfully.
 - [ ] `brew cask uninstall {{cask_file}}` worked successfully.