I just took mine. Just do what you have been. If your instructor thinks you're ready, you are. And don't worry about being perfect, we all make mistakes. Just correct it without saying anything and move on. Remember, if they don't say you failed, you passed.
As a DE back when dinosaurs roamed the earth, I disagree with the "don't say anything" advice. If an applicant messed something up and said nothing, my assumption was that s/he did not realize that an error had been made. I much preferred applicants who noticed deviations and told me what they did wrong and (if necessary) how they would avoid that error in the future.
Bob Gardner