Deadlock broken as Coventry's Gustavo Hamer cuts in from the left and sends a shot into the corner. A lovely goal.
Huddersfield will move out of the bottom three if they win, but they have work to do now.
Watford have gone one better, making three changes at half-time.
Among them is Henrique Araujo for his debut after joining on loan from Benfica, and he's already tested Boro keeper Zach Steffen within a couple of minutes of coming on.
QPR have made a double substitution at half-time. Andre Dozzell and Sinclair Armstrong are on as Neil Critchley's side look to find a way back into the match at the MKM Stadium.