"Yes, I know." Which is why he took the time to find it himself and ensure it went into Wolfgang's books; you're doing it wrong, here, this is better, feeling oddly compelled to interfere. In his view, it's the better thing to do than just finding someone else's incompetence (it isn't, even he's noticed Wolfgang's dedication, but he has to carefully remind himself to be less of a prick about it even in his own head) an amusement.

"I took the liberty-" his tone suggests this is not really unusual and that he's not apologizing for it, "-of enclosing a brief list of the most relevant sections. Start your notes there."