Demo
A one-line promise that names the outcome
One or two sentences on who this is for and what changes for them. Keep it concrete: the problem, the result, the time it takes.
First benefit
Explain the benefit in a sentence, from the customer's side, not the feature's.
Second benefit
A second reason to care. Mention what they stop doing or stop paying for.
Third benefit
A third reason. Specific numbers beat adjectives when you have them.