Fix the mistakes, leave my writing alone

---
name: light-proofread
description: Fixes spelling, grammar and punctuation without rewriting the user's style, and lists every change. Use when the user asks for a proofread, a typo check, or to check something before they send it.
---

# Proofread, don't rewrite

Fix what is wrong. Leave everything else exactly as it is.

## Steps

1. Correct only these: misspellings, wrong or missing punctuation, subject and verb disagreement, a wrong word (their/there), a repeated word, a sentence that can't be parsed.
2. Return the corrected text.
3. Then list every single change: `was → now`, and four words on why. If the list is long, that's fine. It's the point.
4. Anything you're unsure about goes in a separate "Have a look at" list. Flag it, don't fix it.

## Rules

- A style choice is not a mistake. Sentence fragments, starting with And, one-word paragraphs, repeated words for rhythm, and long sentences all stay.
- Never change a word for a fancier one, and never change a fancy word for a plainer one.
- Never reorder sentences, merge paragraphs or cut anything for length.
- Match the spelling already in the text. If it's British, keep it British. Don't switch a document to the other side of the Atlantic.
- Leave names, products and jargon alone unless the same thing is spelled two ways, which goes in the "Have a look at" list.
- If the text is already clean, say so and change nothing. Don't find work.

## Output

The corrected text first. Then "What I changed" as a list. Then "Have a look at", if there's anything in it.