The engagement of Krystle Lynette Madison and Wayne Eric McKnight Jr. is announced today. The future bride is the daughter of Mr. and Mrs. Samuel Madison. Parents of the future bridegroom are Mr. and Mrs. Wayne McKnight Sr. The wedding is planned for Saturday, Sept. 4, at Orchard Knob Missionary Baptist Church, where the bride-elect is a member. Miss Madison received bachelor?s and master?s degree?s in education from Middle Tennessee State University, where she was a member of Delta Sigma Theta Sorority. She is a math teacher. Mr. McKnight received a bachelor?s degree in marketing from American Intercontinental University. He is a member of West End Seventh-Day Adventist Church and is employed by Dilliards Dept. Store.