Contributed to the HL7/fhir repository by delivering a targeted feature that clarifies measure example stratifications within healthcare data standards. Focused on enhancing documentation, the work involved adding detailed descriptions to explain stratification criteria, thereby reducing ambiguity in measure calculations and supporting more accurate FHIR measure implementations. Leveraging expertise in FHIR and healthcare standards, and utilizing Java, the developer improved the clarity of implementation guidance, which facilitates faster onboarding for new contributors and promotes interoperability. The approach emphasized documentation quality and traceability, ensuring that measure stratifications are better understood and more reliably implemented across healthcare data exchange scenarios.