User Comments Stealing Usernames

I recently had a comment posted to my site from a reader who said they were a friend of mine, but the name and email address showing for the comment were attributed to someone else that I know. IP address (and both individuals) confirm that indeed this comment is showing an incorrect name and email address.

My host has cleared the endurance page cache, which would hopefully prevent this from happening again, but is there any way to correct the info so I can approve the comment?