Simplify the following text for a Grade 9 native English-speaking person.
Original: The Canadian Grand Prix brought the teams best finish to date , with Nick Heidfeld finishing in 2nd place , but Robert Kubica had a huge crash that resulted in a sprained ankle and concussion .
Simplified: While Nick Heidfeld scored a 2nd place finish , Robert Kubica suffered a huge crash that resulted in a long safety car period . The media was initially told Kubica had broken his leg , but it later proved that he had escaped with only a sprained ankle and concussion .