Fixing broken links in Questions and answers is straight forward. Go and edit them. But we cant edit comments. I can still add a new comment indicating that a link in the old comment is stale and adding the new link. But the problem is, the old but now stale comment was once upon a time very popular with a lot of up-votes and there are a whole bunch of other comments along with it which will make my new fixed-link comment go unnoticed until the user selects,
View more comments
So, my question is can I flag such comments and do the mods have the ability of editing comments? ( Instead of
delete-that-comment-and-add-a-new-one hassle and also retaining the up-votes that the comment had got)?