He's going to leave so many pedantic nitpicks. Still, sticky notes is enough to content Strange and he gives Rita a little nod.

"I hope you know that I won't be gentle. Still, I've a feeling you want honest critique." They're both magicians, after all. Any excuse to be nerdy about magic is a good excuse. And who else in the carnival would be patient enough to read Rita's book and learned enough to actually offer slightly useful critique?

Well, there is Childermass, but aside from that, Strange is confident that it's just the two of them.