Nigeria struck back upon the restart of the second half, though England were able to hold on for victory. If we can combine those together in the flawless way then we can go far.
He said: 'I think we played really well, with the ball especially.
'But after that we dealt with it well.
Gareth Southgate's charges were comfortable on the ball and were using the pace of Sterling up front while Gernot Rohr's men were disorganised and gave England too much respect.
"What that did mean is that there was a little lift in the game that we had to cope with and manage, and that was a decent exercise for us to adjust to that".
England play their first warm-up game before the World Cup on Saturday evening against Nigeria at Wembley.
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Shortly after, another chance fell to the hosts when Jesse Lingard tried to beat Francis Uzoho at his near post but the latter made a timeous block to keep him out.
- The Three Lions have conceded in successive internationals at Wembley for the first time since November 2013 (v Chile and Germany).
Alex Oxlade-Chamberlain was impressive this season for Liverpool, playing on the right-hand side of a midfield three but a knee injury has ruled him out of the tournament, making room for Lingard and Alli to play as the two slightly more advanced midfielders.
England face Costa Rica at Elland Road in Leeds on Thursday before jetting off to Russian Federation to let the real preparations commence.
"In the second half we corrected some mistakes and played a lot better".
I don't think we got a lot of answers though because Nigeria just lay down in the first period and let England do what they want.
The second time was a group phase tie at the 2002 World Cup in Korea/Japan.