fix: typos

[666devs]

Motivation

Fixing typos in the documentation improves readability and helps maintain the overall quality and accuracy of the content.

Change Summary

Corrected several typos in the documentation file to enhance clarity and precision.

Merge Checklist

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• The PR title adheres to the conventional commits standard
• The PR has been tagged with change type label(s) (i.e. documentation, feature, bugfix, or chore)
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Additional Context

These changes are minimal and only address typo corrections.

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PR-Codex overview

This PR updates the documentation for Farcaster contracts, focusing on clarifying assumptions and improving readability.

Detailed summary

• Clarified assumptions about owner behavior
• Improved language and grammar for better readability

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[666devs]

I noticed that one of the typos I corrected in this PR was already fixed in another PR. Therefore, I have reverted that specific correction to avoid duplication while keeping the other unique corrections in this PR.