The PS should always end on a positive note, and the conclusion should summarize the body of the statement. It is important to reiterate the primary message of the personal statement and thank the audience for their consideration. This will leave the reader with positive images of the applicant as they put the personal statement down.
Once you have produced an essay by going through the steps enumerated above, you can improve it further by going through this last section for added measure. These will help you check for final errors.