Definition & Meaning of "erratum"

What is an "erratum"?

An erratum is a correction of a mistake that was made in a published book or document. It is typically issued to address errors such as typographical mistakes, factual inaccuracies, or misprints that were discovered after the work was published. An erratum is usually provided as a separate page or note that is inserted into the book or released to correct the specific errors, ensuring that readers have accurate and updated information.