missing word in emacs built-in tutorial

(GNU Emacs is as old as me so I hope I'm not saying something stupid)

I've been reading the built-in tutorial (C-h t) and found a small 'mistake'...

In the "BUFFERS" sections when they teach you how to switch buffers:
(error): "Then type C-b TUTORIAL <Return> to come back to this tutorial."
(better): "Then type C-x b TUTORIAL <Return> to come back to this tutorial."
That's line 622 with the default font on the X GUI emacs window.

C-b just moves backwards one character (like the left arrow key) while the sequence "C-x b" is used to choose a different buffer.

steps I do to get to this line:
1) install emacs metapackage
2) F2, run "emacs"
3) C-h t
4) M-x goto-line <Return> 622 <Return>
5) being sad