docs(spellcheck): fix spellcheck issues

[mikehardy]

Description

We appear to have suffered some sort of entropy in the spellcheck area, this fixes it

Related issues

https://github.com/invertase/react-native-firebase/actions/workflows/docs.yml

Checklist

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
  • Yes
• My change supports the following platforms;
  • Android
  • iOS
• My change includes tests;
  • e2e tests added or updated in packages/\*\*/e2e
  • jest tests added or updated in packages/\*\*/__tests__
• I have updated TypeScript types that are affected by my change.
• This is a breaking change;
  • Yes
  • No

Test Plan

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Name	Status	Preview	Updated
react-native-firebase	✅ Ready (Inspect)	Visit Preview	Jul 18, 2022 at 6:35PM (UTC)

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