The Red Devils now hold a 10-point lead over rivals Manchester City at the top of the Premier League.
"We did well in midfield and at the back," Jol told reporters. "It was one of our better performances this season.
"But they are capable of creating something out of nothing, as Rooney did. Now, I think they will win it."
As a result of their defeat, the Cottagers are 13th in the table and seven points clear of the relegation zone.