During a two-month period, Shuang Diao focused on enhancing technical documentation across two open-source repositories. In zhaochenyang20/Awesome-ML-SYS-Tutorial, Shuang clarified RLHF algorithm terminology by updating Markdown documentation to accurately describe PPO as on-policy, improving clarity for new contributors. In the yhyang201/sglang repository, Shuang addressed deployment challenges by refining the SGLang Router documentation, specifying the use of the --host 0.0.0.0 flag to enable internal forwarding and reduce misconfiguration risks. These contributions, centered on technical writing and documentation, improved onboarding and deployment reliability, demonstrating careful attention to detail and alignment between documentation and actual system behavior.