Vague rollout language slows approvals and hides risk—sound familiar? In this lesson, you’ll learn to craft RFC-ready sentences that make phases, gates, guardrails, and rollback unambiguous, measurable, and reversible. Expect a tight framework, high-signal phrasing patterns, a model snippet with variations, and targeted exercises to pressure-test your wording. Finish with promotion-ready text that accelerates consensus and protects blast radius.