transcription>tab error?

https://www.guitartricks.com/lesson/27408

given the pattern of 1, 3, 5 is consistent throughout the rest of the exercise...

I'm assuming that C - fourth note; in bar 7 - is supposed to be a B

Yes, that's a typo!  It's also repeated on the play along in the next video.  Thanks for catching it.  I'll forward this to be edited.