I took it as meaning elevate the importance of notes. Don't just haphazardly scribble, put high effort and thought into your writing. One of my professors did

I took it as meaning elevate the importance of notes. Don't just haphazardly scribble, put high effort and thought into your writing. One of my professors did this. His notes looked as if they were literally fit to print exactly as is. He would do multiple drafts of his own notes.