Spell-check charmed quill

"Any student found in posession [sic] of a spell-check charmed quill will be severely punished"

- Educational Decree

A spell-check charmed quill is a type of quill that is charmed to correct an individual's mispelling. In the 1995–1996 school year Defence Against the Dark Arts Professor and High Inquisitor Dolores Umbridge made up Educational Decree Number One which said that any student of Hogwarts School of Witchcraft and Wizardry found in posession of such quill would be severely punished.

Appearances

 * Harry Potter and the Order of the Phoenix (film)