sometimes at lunch I will talk a walk in a nearby park. When I do I will periodically forget to trim off my exercise tracking when I return to my car from the walk and I won't realize until I have driven back to work. I will then discard the walk but it will keep the exercise and calories from the workout even though the workout is now wildly inaccurate. Is there some way to correct my exercise and calorie tracking after something like this? Thanks for any help!