Peter Slany focused on enhancing documentation quality for the remotion-dev/remotion repository, specifically targeting the Lambda CLI deploy runtime-preference feature. He standardized terminology by updating default values from "prefer-cjk" to "cjk" and "prefer-apple-emojis" to "apple-emojis," ensuring consistency across the documentation. Using Markdown and leveraging his documentation skills, Peter clarified package version requirements and updated version availability details to reflect current runtime support. His work addressed documentation hygiene by correcting typos and improving consistency, resulting in clearer, more maintainable docs. While no user-facing features or bug fixes were delivered, the updates improved technical accuracy and usability for developers.