Update customizing-postcss-config.md (#42331)

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)

docs/advanced-features/customizing-postcss-config.md

@@ -80,7 +80,7 @@ To customize browserslist, create a `browserslist` key in your `package.json` li
 }
 ```
 
-You can use the [browserl.ist](https://browserl.ist/?q=%3E0.3%25%2C+not+ie+11%2C+not+dead%2C+not+op_mini+all) tool to visualize what browsers you are targeting.
+You can use the [browsersl.ist](https://browsersl.ist/?q=%3E0.3%25%2C+not+ie+11%2C+not+dead%2C+not+op_mini+all) tool to visualize what browsers you are targeting.
 
 ## CSS Modules