chore/docs: fix rst style and typo (GH-32331)

Current:

![图片](https://user-images.githubusercontent.com/24759802/161704413-30fc91e8-ccd1-4617-8483-bc54ec970f30.png)

After this change:

![图片](https://user-images.githubusercontent.com/24759802/161704636-a5458192-a93a-40af-8bde-90ba80fdb53f.png)

Trivial so I don't think it needs news or issue

Automerge-Triggered-By: GH:JulienPalard

谭

谭九鼎 committed 4y ago

faa12088c179dd896fde713448a7f142f820c1aa

Parent: d0e696e

Committed by GitHub <noreply@github.com> on 4/5/2022, 9:08:00 AM