It’s great to edit comments but I feel the need to notify people interested in the conversation that a comment has been edited, for example, if I have to make a quick comment during a meeting and later notice the comment need correction.
As a suggestion for the feature, we could configure Asana to globally notify or not people based on the liking feature and be notified on our inboxes in the lines of “The comment you liked was edited” or “(…)edited to…”