Worked on improving documentation reliability for the leanprover-communityhub.io repository by addressing a broken glossary URL that impacted access to abbreviation references in Lean files. Focused on content management and documentation, the developer identified and replaced the outdated link within glossary.md using Markdown, ensuring contributors and users could consistently reach the correct glossary abbreviations list. The technical approach involved validating the new link path and confirming that all documentation references were updated, which reduced confusion and maintenance overhead for the Lean community portal. This work enhanced the stability and accessibility of project documentation, supporting ongoing collaboration and knowledge sharing within the community.