Hendrik Wolff contributed to the systemd/systemd repository by enhancing the documentation for systemd.special, specifically clarifying the relationship between sleep.target and suspend-then-hibernate.target. Focusing on documentation quality, Hendrik updated the manual to explicitly describe how these targets interact, aiming to reduce user confusion and support requests regarding system state management. The work was implemented in C and centered on precise, review-friendly documentation practices without altering system behavior or introducing risk. This targeted update improved user guidance and maintainability, demonstrating careful attention to detail and disciplined version control in a collaborative open-source environment, with a primary emphasis on documentation skills.