E. Kiijima enhanced the geogebra/manual repository by improving the accuracy and maintainability of its AsciiDoc-based documentation. Over two months, Kiijima addressed broken interlinks, standardized file extensions, and synchronized documentation with code changes, ensuring that usage examples reflected actual functionality. Focusing on statistical command documentation, Kiijima standardized terminology and formatting across multiple adoc files, which improved clarity and reduced future maintenance needs. The work demonstrated proficiency in documentation management, AsciiDoc, and Git-based workflows. By delivering clearer, more reliable documentation, Kiijima helped reduce user confusion and support overhead, contributing depth and attention to detail in cross-module documentation practices.