Made for Swiss self-employed & SMEs
For a notary, a fiduciary, a doctor's practice or any small office, one mistyped number or one wrong name in an outgoing letter is enough to undo months of careful work. A client who sees a wrong amount on an invoice, or a name misspelt in a contract, quietly starts to wonder whether the details they never see are handled with the same care.
This article describes a calm proofreading routine. Before an offer, an invoice or a letter goes out, the AI reads it a second time with fresh eyes and flags what does not add up. You stay the final judge — it never changes a word on its own. No new software project, just a short, repeatable prompt and a little discipline.
The small errors that cost trust
Most outgoing-document mistakes are not big. They are small, human slips that creep in when you are tired, rushed or simply too close to the text:
- The wrong name: a letter addressed to the previous client, or a name copied with the wrong spelling.
- The mismatched number: an amount in the body that does not match the total at the bottom, or a date that does not match the cover letter.
- The leftover sentence: a half-edited paragraph from the last template that no longer belongs in this one.
- The missing attachment: the letter promises an enclosure that was never attached.
None of these needs a new tool. They need a second pass that is calm, systematic and, above all, not tired.
A calm three-step routine
The routine fits into a few quiet minutes before you press send. The AI does the mechanical checking; you keep every judgement.
Step 1 — Paste the document and set the brief
Give the AI the final draft and a short, precise brief. Tell it what kind of document it is and what matters most.
Here is the final version of an offer I am about to send. Read it like a careful proofreader, not a copywriter. Flag: spelling and grammar mistakes, names that look copied from another document, numbers or dates that do not match each other, and any sentence that looks like a leftover from an earlier template. Do not rewrite anything. Just list what you found, with the exact place and a short reason.
Step 2 — Check the numbers separately
Numbers deserve their own pass, because they are where the expensive mistakes live. Ask the AI to cross-check every figure against every other figure.
Check every number in this invoice against every other number in the same document: line items against the subtotal, the subtotal against the total, the total against the payment terms, and every date against the dates mentioned elsewhere. List any figure that does not add up, and quote the two places that disagree.
Step 3 — One final human glance
The AI's list is a checklist, not a verdict. You go through it once, fix what matters, and ignore what does not. The point is not perfection — it is that the obvious mistakes are caught before the client is.
What the AI is good at (and what it is not)
An AI proofreader is excellent at spotting inconsistency: the name that appears twice with two spellings, the total that does not match the line items, the date that contradicts the cover letter. It is patient in a way no human can be after a long day.
It is not a substitute for your judgement. It does not know your client's history, it does not understand the legal nuance behind a clause, and it cannot decide what is actually correct — only what is inconsistent. Treat it as a careful colleague who reads everything but decides nothing.
A note on data
Offers, invoices and letters contain names, amounts and sometimes health or legal context, so the usual data-protection rules apply. Use a business-grade tool rather than a private consumer account, check whether the provider stores your input or trains on it, and anonymise first if you are unsure — replace names and figures with placeholders, run the check, and add the real details back at the end.
The outcome
Ten quiet minutes before you send turns a document you are almost sure about into one you can send calmly. The wrong names disappear, the numbers add up, and the client only ever sees the careful version of you. Start with the next offer or invoice that leaves your office — one document, three steps, and a little more trust in every envelope.
