Kacper Kapeluszna enhanced the eu-cdse/documentation repository by developing features that improved the visibility and accessibility of Copernicus Land Monitoring Service (CLMS) data. He updated the CSV Catalogue page to include new CLMS products and refreshed imagery assets, ensuring accurate image references and extensions. Using Python, HTML, and Markdown, Kacper expanded and refined the OpenSearch and OData documentation, adding CLMS as a collection, correcting API references, and providing practical query examples. His work focused on API integration and data catalog management, resulting in more discoverable CLMS resources and streamlined data-access workflows, with an emphasis on documentation quality and consistency.