Always use archive.is as one can sneak away saying that your posted proof is photoshoped or you used inspect element to change btc address and then took a screenshot. Best is to use archive.is like others like Timelord have been doing this all the time.
Edit: seems like you already archived it. Archive.is shows me "Page was archived 5 mins ago".Anyway here goes the archive version to his profile link :-
http://archive.is/8HEgD