Emendation

noun

1. The act of altering for the better, or correcting what is erroneous or faulty; correction; improvement.
2. Alteration by editorial criticism, as of a text so as to give a better reading; removal of errors or corruptions from a document.

   "The book might be improved by judicious emendations."

3. An intentional change in the spelling of a scientific name, which is usually not allowed.

   "The genus name Uramyia is an unjustified emendation of Uramya even though it uses a better transliteration of the Greek word μυῖα."