Worked on enhancing the elastic/docs-content repository by improving documentation related to ElasticSearch’s mv_expand functionality. Focused on clarifying the importance of using a tiebreaker in queries to ensure deterministic result ordering, the update addressed a common source of confusion for users and was directly linked to a relevant issue for greater transparency. The work involved careful attention to documentation quality, using Markdown to provide clear, actionable guidance. Leveraging skills in Elasticsearch and query optimization, the contribution aimed to improve user outcomes and reduce potential support queries by making the documentation more precise and aligned with established contribution standards.