You know what it looks like… but what is it called?
TAKE THE QUIZ“author's”
The following 3 entries include the term author's.
author's alteration
noun: a change or correction not of a printer's error ordered in a printer's proof by and customarily chargeable to an author —abbreviation AA
author's correction
noun: author's alteration —abbreviation AC
author's edition
noun: an edition of a book for which the printing and publishing costs are borne by the author