✍️ Writing

Save a banned-phrases list in custom instructions

✍️ WritingChatGPTBeginner★ Popular#Remove AI tells

Task · Remove AI tells
Time saved · 5-10 min per draft, every draft (one-off setup) (estimate, not measured)

Steps

1. In ChatGPT, open Settings → Personalization → Custom instructions
2. Paste the text below into the box for how ChatGPT should respond, and edit the lists to match your own pet peeves
3. Save, then start a new chat to test it on a short writing task
4. Add new phrases to the list whenever one slips through

Prompt / template

When you write anything for me:
Never use these words: delve, tapestry, testament, pivotal, seamless, robust, leverage, foster, elevate, unlock, game-changer, landscape, realm, vibrant, bustling, navigate (unless it's about maps).
Never use these phrases: "in today's fast-paced world", "it's important to note", "not just X but Y", "let's dive in", "I hope this helps", "in conclusion".
No em dashes; use commas, periods or parentheses. No emoji, no bold, no headings unless I ask.
Prefer short, plain sentences. Say "is" instead of "serves as". Don't summarize what you just said at the end.
If I paste my own writing, keep my voice and only change what I ask.

Source · https://help.openai.com/en/articles/8096356-custom-instructions-for-chatgpt
Last checked · 2026-10-19

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