GE Dishwasher Door Gasket Installation

I have a GE dishwasher that appears to have a faulty door gasket. I have always had a slight amount of steam escape from the top right of the door and am now having a small amount of water pool on the floor from time to time. I checked the baffles and all appears to be OK with them. The gasket seems to have a slight separation between it and the door. I am guessing this is not a dificult part to change. Are there any tips I should be aware of when changing the gasket? Is it pretty straightforward?