Other mistake: During the early part of the movie, when Patton is in Morocco, you can see two kids visibly mugging for the camera as they do cutaways on two distinct occasions.
Other mistake: In the scene showing Patton's arrival in London, stepping out of a Packard limousine in the night, the car shown is a postwar model year, e.g. 1948. Patton did favor Packard cars, but this one could not have existed at the time.
Answer: It's just you.