fix spelling error: differen -> different

[AGCB]

Before submitting a pull request, please make sure the following is done:

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2. Run yarn in the repository root.
3. If you've fixed a bug or added code that should be tested, add tests!

• NONE ADDED

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• NEEDED?

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• NEEDED?

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• NEEDED?

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• NEEDED?

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• NEEDED?

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• NEEDED?

10. If you haven't already, complete the CLA.

• DONE

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[sophiebits]

Thanks!