## Summary

What problem does this solve, how, and why does this change matter?
Closes #64909.
used the same #kb way as others for these two instead of <kdb>, this is
limited to docs only.

<img width="1184" height="90" alt="image"
src="https://github.com/user-attachments/assets/11826738-5e54-478a-bc73-e17cba7192b4"
/>

## Testing
to test: run ```mdbook serve docs```
and go to:   ``http://localhost:3000/tab-switcher.html``

## Self-review

- [x] I've reviewed my diff for quality, security, reliability, and
performance.
- [ ] UI changes follow the
[checklist](https://zed.dev/docs/development/ui-checklist). <!-- N/A:
Documentation only -->
- [ ] Tests cover the new or changed behavior. <!-- N/A: Documentation
only -->

Release Notes:

- N/A