In the chapter on RAM, it says we can index upto 64KB of memory in a 16 bit architecture. Shouldn't it be '128K words of memory', since we can index '2 words' with a single bit.
The explanatory text for the level does not really define neither "byte" or "word", so beside fixing the error it also need more details. (But I want to avoid going down the rabbit hole of explaining that bytes can have different sizes than 8 and so on)