Original sentence: At the 2018 Canadian Grand Prix Harlow waved the chequered flag signifying the end of the race.Harlow waved the flag on  lap 69 rather than lap 70.Only minor changes occurred as a result: an overtake between 13th- and 14th-placed was reversed and Red Bull driver Daniel Ricciardo lost the fastest lap of the race to teammate Max Verstappen
Edited sentence: At the 2018 Canadian Grand Prix, Harlow was selected to wave the chequered flag, signifying the end of the race, but committed a major error by waving the flag on completion of lap 69 rather than lap 70.Only minor changes occurred as a result of her massive error: an overtake between 13th- and 14th-placed was reversed and Red Bull driver Daniel Ricciardo lost the fastest lap of the race to teammate Max Verstappen