An error or mistake in writing or printing.

an act or thought that unintentionally deviates from what is correct, right, or true; an error in printing or writing, especially such an error noted in a list of corrections and bound into a book; plural is errata.

a mistake in printed matter resulting from mechanical failures of some kind

a design defect or error which may cause a product to deviate from published specifications

pl. errata A correction of error(s) inserted into a book after it has been printed.

the correction of errors in a book, normally inserted as a slip of paper (an erratum slip) into the finished book.

The list of changes and corrections to the catalogue particulars that we compile up until the time of the auction. On the auction day this list becomes our Addendum, copies of which are available in the auction room. The Erratum is available at any time leading up to the auction day from our office.

An erratum to the explanatory notes presented with a Bill is a document tabled in the Legislative Assembly to correct an error or other inaccuracy in the notes. The document is tabled by the Bill's sponsoring Minister, and also published on OQPC's website together with the explanatory notes as originally tabled.

Author's or printer's error, discovered after the book has been printed.

An erratum or corrigendum (plurals: errata, corrigenda) is a correction of a manual, handbook or other nonfictional text that contained mistakes. Errata are most commonly issued shortly after the original text was published. Patches to security issues in a computer program are also sometimes called errata.