Alternatively, allow people to suggest corrections to a message, a lot like code review tools allow line-by-line feedback or questions on code. In order to pre

Alternatively, allow people to suggest corrections to a message, a lot like code review tools allow line-by-line feedback or questions on code. In order to prevent people from abusing it as another way to get their reply seen by everyone, you could make it a private communication between the comment author and the user giving feedback. Or make it possible for other users to see it, but make it hidden by default. That way, if the author wants to correct their comment, they can, but nobody else has to see the clutter.