Worked on the onvif/specs repository to enhance the quality and clarity of XML schema documentation, focusing on OutputToken, Subscription, PTZ elements, and the onvif.xsd file. Applied technical writing and XML schema design skills to identify and correct typos, punctuation errors, and ambiguous language, resulting in more accurate and maintainable documentation. Utilized XML and Markdown to implement a series of targeted documentation updates, ensuring that comments and schema definitions are easier to interpret for downstream users. These improvements reduced the risk of misinterpretation for implementers and facilitated smoother integration and future updates across the ONVIF specification documentation.