Fix spelling errors

[watameln]

Changes

Corrected: rsult to result.
Corrected: cahgned to changed.

Checks

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[github-actions]

Hi @watameln, thanks so much for helping improve the Roblox creator documentation! Our technical writing team will review your pull request soon. In the meantime, please ensure you've read through the README.md, contribution guidelines, and style recommendations.

[aetter]

Awesome, thanks so much @watameln. This is a great rsult.