`improve-shortcut-help` is broken

### Description

The entire markup probably need to be updated, not just the selector.

### How to replicate the issue + URL

Anywhere

### Extension version

25.10.2

### Browser(s) used

Arc (Chromium)

### Token &#9888;&#65039;

- [x] I set a token in the options page. I understand that some features require a token to work.