Vurnon Anita scored an own goal in the first half, while Gonzalo Higuain scored Real’s second and final goal of the game.
“I’m mostly happy with the score. The three points are very important in the Champions League,” Mourinho told Sky Sports.
“If you compare the result with the football we produced and the chances we created, we should score a lot more.
“The team was very solid. We created enormous chances, some pieces of beautiful football. I couldn’t be happier.
“I part believe it’s part of the evolution. The players will get more confidence. The goals will come. The pleasure of playing together will come.
“They are great individuals that tend to be a little selfish, but it’ll come. I’m happy with the evolution of the team.
“The team played very, very well. That’s all I care about. The fans can whistle or cheer, it’s part of the culture.”