Fix typos and grammatical mistakes in docs (#59495)

# Objective

- Describe the objective or issue this PR addresses. -> ** Typo and
grammar fixes!**

## Solution


## Testing

## 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 adheres to Zed's UI standards
([UX/UI](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
and
[icon](https://github.com/zed-industries/zed/blob/main/crates/icons/README.md)
guidelines)
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

## Showcase

---

Release Notes:

- N/A

docs/src/languages/javascript.md

@@ -107,7 +107,7 @@ You can also only execute a single ESLint rule when using `fixAll`:
 ```
 
 > **Note:** the other formatter you have configured will still run, after ESLint.
-> So if your language server or Prettier configuration don't format according to
+> So if your language server or Prettier configuration doesn't format according to
 > ESLint's rules, then they will overwrite what ESLint fixed and you end up with
 > errors.