correctioncode

noun
UK /kəˈrɛkʃən kəʊd/
US /kəˈrɛkʃən koʊd/

A correction code is a special set of letters or numbers that tells someone what mistake to fix.

The teacher wrote a correction code next to my sentence so I knew to add a capital letter.


OTHER MEANINGS

2. A system of symbols used by editors to show changes on a document.

The editor used a correction code to mark the spelling errors in the draft.

3. A code in computing that identifies and helps fix an error in a program or data.

The app showed a correction code when the file failed to load.

4. A set of rules for correcting mistakes in a test or exam.

Students used the correction code to check their own answers.