Yep! You're right.
The doc screwed up, but the message is still quite motivavional in my opinion.

Oh! I haven't logged in in a long time! Yes I'm a physicist, but I currently don't work on physics. So... I wouldn't consider myself a professional by now.

I agree. Physics is way more exciting. :P I found the quote & I wanted to store it in a better place than a notepad.