Proofreading Mark-Up Guide

Professional editors use standard proofreading symbols to mark corrections clearly and efficiently. This guide explains some of the most common symbols used during the editing process.

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Common Proofreading Symbols

Symbol	Meaning	Example Use
^	Insert missing text	Insert a missing word or punctuation.
⌫	Delete text	Remove unnecessary or incorrect words.
sp	Spelling correction required	Indicates a word is misspelled.
?	Unclear meaning	Editor questions unclear wording.
¶	Start new paragraph	Shows where a paragraph break should occur.
no ¶	Remove paragraph break	Combine two paragraphs.
lc	Change to lowercase	Correct unnecessary capitalisation.
caps	Change to uppercase	Capitalise a word.
ital	Italicise text	Apply italics formatting.
stet	Let it stand	Ignore a previous correction.

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Tips for Using Proofreading Marks

• Always make corrections clearly and consistently.
• Mark edits in the margin when possible.
• Avoid overcrowding text with too many marks.
• Use digital tracked changes when editing electronically.
• Keep a consistent style guide when working on long documents.

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Professional Editing Tip

Many editors combine traditional proofreading marks with digital tools such as tracked changes or comments. This ensures corrections are both visible and easy for writers to review.