docs: improve description

[thinkasany]

Summary

Related Links

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[netlify]

✅ Deploy Preview for rsbuild ready!

Name	Link
🔨 Latest commit	d33c72f
🔍 Latest deploy log	https://app.netlify.com/sites/rsbuild/deploys/68244c9d57aeba00082db996
😎 Deploy Preview	https://deploy-preview-5241--rsbuild.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 72 (🔴 down 2 from production) Accessibility: 97 (no change from production) Best Practices: 92 (no change from production) SEO: 100 (no change from production) PWA: 60 (no change from production) View the detailed breakdown and full score reports

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[chenjiahan]

Thank you