Well, that sounds believable enough. Aro has spent no portion of his life involved in any kind of study, honestly, unless studying the world around him counts. He's been educated insofar as his mother taught him, but he's had no formal schooling in any kind of magic. Or in general, actually.

"I'd be really grateful. Thank you, Alacruun. And please - you must tell me if there's anything I can do for you, in return."