Fix FAQ typo

[The-Compiler]

Type of change

Type A:

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] UI Feature
• [ ] Refactor/Code Cleanup
• [x] Docs
• [ ] Capability implementation for existing core capability
• [ ] New robot implementation

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Amazing documentation, by the way - especially also around expectation management and not being pushy towards non-users of it. Love it!