fix broken link to ADR00030

[arska]

And corrected grammar and punctuation throughout the document while having the document open

Summary

Checklist

• Try to isolate changes into separate PRs (to build a better changelog).
• Categorize the PR by setting a good title and adding one of the labels:
  change, decision, requirement/quality, requirement/functional, dependency
  as they show up in the changelog
• Link this PR to related issues if applicable.

[zugao]

Thanks for opening a PR.