Self-Review Checklist:
- [X] I've reviewed my own diff for quality, security, and reliability
- [X] Unsafe blocks (if any) have justifying comments
- [X] The content is consistent with the [UI/UX
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
- [X] Tests cover the new/changed behavior
- [X] Performance impact has been considered and is acceptable
Release Notes:
- Corrected a typo in the instructions regarding the 'pattern' format
- Fixed a regex for finding tags.
- Templatize the instructions with `$LANGNAME` to prevent manual errors
from failing to edit commands (this bit me)
- Ran formatting through Prettier
vladislav doster