Before revision: A typographical error (often shortened to typo), also called a misprint, is a mistake (such as a spelling or transposition error ) made in the typing of printed or electronic material.
After revision: A typographicla errro (oftne shotrened to typo), also caleld a misprint, is a mistake (such as a speling or transposision reror ) made in the typing of rpinted or electronci material.