Update faq.md

[sky-coderay]

Issue Addressed

This PR addresses issue #<issue_number> related to the incorrect spelling in the documentation, specifically correcting "wil" to "will" in the attestable_delay explanation.

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Proposed Changes

1. Corrected the typo "wil" to "will" in the attestable_delay field explanation within the faq.md documentation.

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Additional Info

This change focuses solely on documentation clarity. Future reviews should ensure consistent terminology across similar documentation files.

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