Sentence:  Her millions of adoring fans had yet to hear her speak, and when she finally did, she sounded more like a sailor than a starlet, spewing a profanity-laced, G-dropping Brooklynese that no amount of dialect coaching could <WSD>correct</WSD>. 
Meaning of the word marked with <WSD> tags:  To make something that was wrong become right; to remove error from.