Standard&Poor's Ratings Services corrected the rating on Northwestern University, Ill.'s series 2004B bonds to 'A-1+' from 'NR'. The rating was inadvertently reported as "not rated" on April 10, 2009. The bonds have a short-term maturity with a mandatory tender on Feb. 1, 2010. The issuer is Illinois Educational Facilities Authority. See the full analysis on the university, published Feb. 3, 2009, on RatingsDirect. USPF Criteria: "Higher Education," June 19, 2007