Microsoft has renamed its AI Max Text Guidelines to Text Guardrails in both the AI Max search campaign flow and Performance Max.

Advertisers can edit these guardrails to set term exclusions, ensuring AI-generated text assets align with brand requirements. The exclusion limit remains up to 25 terms.
Read the official help pages here: How do I create a Search campaign? and Create a Performance Max campaign.
This update was spotted by Hana Kobzová.