Other mistake: When a glass of milk is poured, if you look closely, the glass is filled but the level of milk in the bottle doesn't seem to lower. (00:16:00)
Other mistake: Princess Fiona is cooking the eggs on the rock that is over the fire. She uses a big green leaf as an oven mitt to protect her from the heat, but then places her other hand on the rock, without a leaf, and somehow doesn't get burned.
Chosen answer: This is most likely because "broad" isn't too nice of a word, and children of any age could watch the trailer. Parents wouldn't want their children to copy inapropriate language, obviously.
s.ounder