- The header to the right of the vote buttons shows "unvote" or 'undown" after voting. So you can at least see if you fat-fingered someone down in error and fi

- The header to the right of the vote buttons shows "unvote" or 'undown" after voting. So you can at least see if you fat-fingered someone down in error and fix the mistake. - On mobile, Android, I use Materialistic to read HN. The UI is much better than the web version, and voting uses a standard mobile UI element (or swipe, but I don't use that). You can't downvote in Materialistic, only upvote, so if you're worried about accidental downvoting that goes away.