I was just watching a replay of this game on some channel that was carrying the Pittsburgh feed, so I got to see the Correa homer. It was a low outside pitch (probably a fastball), and he just kind of swung through it to right field, and the ball went out over the RF fence on a line. Effortless and powerful. The announcers commented on how, unlike somebody else's earlier wind-blown homer, Correa's ball was never really high enough to benefit from the wind and it still went further.