Authoring Guide for Product Requirements Documents (PRDs)

A guide to writing clear, persuasive PRDs that align stakeholders, communicate user value, and enable implementation. This guide focuses on the craft of writing—how to structure arguments, explain proposals, and communicate product changes effectively.

Philosophy

PRDs Are Arguments for User Value, Not Technical Specs

A PRD is not a technical specification or design document. It is an argument for why users need this change and why this approach delivers value. Every section builds toward that argument: the problem establishes that user pain is real, the goals show what success looks like, the solution shows your approach addresses the problem, and the metrics prove we can measure impact.

If reviewers finish reading and don't understand why this matters to users or the business, the PRD has failed—regardless of how well-researched the solution is.

Key principle: PRDs define the what and why. Design docs and RFCs define the how.

Write for Multiple Audiences

Your reviewers include product managers, engineers, designers, business stakeholders, and leadership. They skim looking for relevance (Summary), user problems (Motivation), business value (Goals, Metrics), what we're building (Solution, Requirements), and what could go wrong (Risks). Structure your PRD so each audience finds what matters to them quickly. Front-load the important information—don't bury context in paragraph four.