I am reading Tales from the Yawning Portal, specifically the Tomb of Horrors. There seems to be an error in the following description (emphasis mine):
24. Adamantine Door
The tunnel from the south emerges into a corridor that then heads east. The door at the end is a great block of adamantine. It has permanent antimagic effects on it, and there is no magical or physical way of forcing entry.
There are three slots in the door at about waist height. If sword blades are shoved simultaneously into all the slots, the 1-foot-thick door will swing open. Five rounds later the door slams shut. There is no way of opening it from the west side.
The way this area reads I think it should say:
east instead of west, as the intent seems to be to trap the characters in the room
This is because
They come from the corridor on the west side. Open the door. Go through the door into the room. The door closes. They are trapped inside the room. They want to get out, so they have to turn around and go west. That means they are on the east side and come from the east. If they were supposed to be trapped the description should therefore say "There is no way of opening it from the east side." as east is the side with the room. Currently it says west and that doesn't make any sense, as the characters at this point are on the east side (or they decided to keep standing around half a minute, in which case they could never again enter the room). If the current formulation is correct then it looks like there is a description missing about how the door could be opened from the east side that is the inside of the room.
Furthermore there are not a whole lot of other entries to the area behind this one.
The doors that are described in area 31 don't even exist if someone comes from the west or east. The characters would have to come from the north to make these doors exist.
Am I overlooking something or is there a mistake in the book?
I'd prefer information about D&D 5e, but I'd be interested in information from other editions, too, as the adventure was originally written in 1978 for the AD&D according to the information box in Tales from the Yawning Portal.