What’s is assumed as correct might not be tomorrow.
Many technical books suffer from that, being it small technicalities or huge issues.
Some books have new editions to solve that, however many don’t and even then it would be useful to know inaccuracies present on each edition.
A simple issues page referenced in the beginning of the book would be golden, why inst it a thing yet?
They often do?
What book(s) are you referring to?