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