Definition of "Correction" :
noun: the act of offering an improvement to replace a mistake; setting right
noun: treatment of a specific defect
"The correction of his vision with eye glasses."
noun: the act of disciplining
noun: a drop in stock market activity or stock prices following a period of increases
"Market runups are invariably followed by a correction."
noun: something substituted for an error
noun: a rebuke for making a mistake
noun: a quantity that is added or subtracted in order to increase the accuracy of a scientific measure