Not a fan of what the system came up with? You easily re-generate a card:
Press the
[regenerate] icon on the top navigationSelect a card type, if different from the original (quiz, key takeaway, etc)
Input a new topic or 'prompt' that the new card should be about.
Click [Regenerate Card]
Though rarely necessary, you can also re-generate the entire lesson:
Press the ⟳ update icon on the top navigation
Go to [edit lesson]
You'll see the lesson outcomes originally associated with the course outline. These can be edited, added to, or removed.
Click [Rewrite Lesson]
. 
More help: