The forward netted the only goal of the game in the 90th minute, and his coach was adamant that he deserved his name on the scoresheet.
"We knew we would have to be resilient but in the first half we controlled the ball better than them," BBC Sport quotes Davies as saying.
"It was tighter in the second half but it's a great three points and Darius Henderson deserves his goal.
"His performance was first class. I thought all three of our substitutions made a difference. I was pleased with the clean sheet and three points away from home."
The result moves Forest to third in the Championship, level on points with two teams above them, while Rovers slip to 16th.