Which category in notification settings?

I am getting daily emails and don't want them. However when I go to notification settings, there doesn't seem to be an obvious category for the emails I get. They are always worded like this:  ...

Allow students to improve answers in a quiz

I set my students a quiz but after assessing it and making comments on their incorrect answers I wanted them to correct these answers using the guidance I had given. But when they started their ...