Proofread something important and explain each fix

Proofread this and explain each fix.

Text: [paste]
Spelling: [UK]
What must not change in meaning: [optional]
It's for: [e.g. job application, school form, complaint]

Ask me up to 3 short questions first if anything important is missing. Wait for my answers.

Then:
1. Corrected text.
2. A list of fixes with one-line reasons.
3. Any sentence that was unclear — ask me, don't guess.
4. Homophones and name spellings to double-check myself.

Only use what I've told you, leave blanks for anything I haven't given, and don't invent facts, quotes or what the other person thinks. UK English.

Stay in this ChatGPT chat. Do not turn on apps or connectors, and do not use memory from another chat.