Talk:Papyrus and Sans's House/@comment-26521006-20151025145644/@comment-216.195.178.82-20151105150935

According to modern grammar rules, a singular that ends with S still has " 's " added to the end. The only exceptions are antiquated words that end with S, specifically when they're religious or part of a phrase or saying (i.e. "goodness' sake"). Think of them as being grandfathered in.