Momchil Yordanov focused on enhancing metadata quality in the google/earthengine-catalog repository, specifically targeting the JRC_D5_EUCROPMAP_V1 dataset. He addressed a metadata bug by correcting citations and clarifying data sources and methodologies for the 2018 and 2022 crop-type mappings, ensuring that the metadata accurately reflected the underlying publications and data usage. Using Jsonnet for metadata management, he applied data curation and documentation skills to improve data provenance and publication integrity. This work reduced attribution risks and increased metadata reliability, supporting better compliance and usability for researchers and stakeholders who rely on accurate and transparent dataset documentation.