"But I spoke to Seb a couple of months ago and asked if he could add a bit of quality to the work-rate he was putting in.
"He has responded in the right way. He has started scoring from dead ball situations, his corner kicks have been brilliant, as has been his delivery from wide areas.
"He has taken on board what I'd said to him and put it into practice. He has gone up a level which has culminated in his call-up into the Swedish national side."