I was a student editor of a journal and after the first printing of it any errors are noted on a slip distributed with each copy. In the printing/publishing world, these errors are commonly known as errata and are sometimes corrected in second or third editions if the costs can be afforded.
Projection makes me think “projector” which instantly pisses me off because it makes me think of how many idiots in my workplace don’t know how to use them, so…