The crossword solution for the term 'MISTYPING REMEDY' is 'UNDO', which is a four-letter word. This term refers to a method of correcting mistakes made while typing on a computer. The remedy for mistyping is to use the 'UNDO' command, which allows the user to go back and UNDO any mistakes that have been made. This is a useful tool for anyone who works with computers, as it can help to prevent costly errors.