emendation

noun3

1. •
   The act of altering for the better, or correcting what is erroneous or faulty; correction; improvement.

   • ‘Aye, aye,’ quoth she, and it will be observed that no emendation whatever is necessary to be made in these two initiative remarks, ‘Aye, aye! […] — 1842
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.