docs(select): improve example code

[chouchouji]

Checklist

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• [ ] Fix linting errors
• [ ] Tests have been added / updated (or snapshots)

Change information

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Name	Status	Preview	Comments	Updated (UTC)
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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.84%. Comparing base (c2c1773) to head (d757be3).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #1682 +/- ## ========================================== + Coverage 92.81% 92.84% +0.02% ========================================== Files 312 312 Lines 7291 7291 Branches 1815 1815 ========================================== + Hits 6767 6769 +2 + Misses 457 455 -2 Partials 67 67 ```

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