Hi Magdalena,
I'm writing about the invoice for $270. Because the first payment was delayed, the developers began work on the final website improvements later than planned. Please do not pay this invoice until you receive a note from me. It was agreed that we will pay only upon satisfactory completion of the work. Thank you, [Your Name]
Step-by-step explanation (easy for a 9-year-old):
- "invoice for $270" — We put the dollar sign before the number: $270 (not 270$).
- "about" instead of "regarding" — "About" is simpler and clear for this short note.
- "developers" spelling — Fixed the misspelling to developers (not developpers).
- Cleaner sentence order — "Because the first payment was delayed, the developers began work on the final website improvements later than planned." This sounds smoother and clearer.
- "until you receive a note from me" — Use "until" (more formal than "till") and "receive a note" sounds better than an emoji for a business message.
- "we will pay only upon satisfactory completion" — Changed to future-form and clearer wording: we will pay only when the job is done well.
- Sign-off — Add a short thank-you and your name at the end to be polite.
If you want, I can make the message more formal or shorter. Which would you prefer?