[GAMEPLAY] Xerath Q is longer than indicator

I've noticed while playing against Xerath that his Arcanopulse damage expands beyond the actual indicator. Many times I have taken damage because I thought I was out of range. This problem seems to occur every time (so it's probably not a "bug," but an unnoticed part of the programming). The screenshot was captured during the stream of EU LCS today, so I know it has nothing to do with lag on my end (Riot Games' own computers).