Link text should reflect how it's used in code

### MDN URL

https://developer.mozilla.org/en-US/docs/Web/API/Performance_API/High_precision_timing

### What specific section or headline is this issue about?

throughout the page

### What information was incorrect, unhelpful, or incomplete?

Is it Performance or performance? You keep switching the capitalization!

### What did you expect to see?

The same (and correct) capitalization is each place.

### Do you have any supporting links, references, or citations?

_No response_

### Do you have anything more you want to share?

_No response_

### MDN metadata

Page report details

* Folder: `en-us/web/api/performance_api/high_precision_timing`
* MDN URL: https://developer.mozilla.org/en-US/docs/Web/API/Performance_API/High_precision_timing
* GitHub URL: https://github.com/mdn/content/blob/main/files/en-us/web/api/performance_api/high_precision_timing/index.md
* Last commit: https://github.com/mdn/content/commit/27c5383cd85224527db828234ba454cb07aeca0a
* Document last modified: 2023-09-05T06:28:25.000Z