Typo

From Teflpedia

A typo (/taɪpəʊ/) or typographical error (/taɪpəgræfɪkəl erə/), also called a misprint (/mɪsprɪnt/), is a mistake (such as a spelling mistake) made in the typing of printed (or electronic) material.

Common typos caused by typing include "teh" for "the", etc.