erratum
n
(pl errata) (fml 文) error in printing or writing 印刷或书写的错误: a list of errata 勘误表
an erratum slip, ie a piece of paper inserted into a book after printing, listing errors, misprints, etc 勘误附页.
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.