I see. Yes, you're right. I'll ask.
It's in the spec, but not on the Alpha itself.
This voting period lasts for 72 hours. Narrators vote up to approve and down to reject.
The review period will end after 72 hours, unless 20 votes have not been recorded. The review period will extend at 72 hour intervals until a minimum of 20 votes have been recorded.
After the review period expires, the niche will be considered approved if more than 50% of the reputation-adjusted votes were to approve; otherwise it will be rejected.