Worked on the apache/cassandra repository to address a configuration issue affecting YAML parsing reliability. Focused on correcting spacing errors in cassandra.yaml and cassandra_latest.yaml, which previously caused unparseable YAML due to extra spaces after colons in key-value pairs. Utilized skills in configuration management and YAML parsing to ensure that the configuration files now parse correctly when uncommented, reducing the risk of automation failures in CI/CD and deployment environments. Documented the changes in CHANGES.txt to improve release traceability and maintainability. The work reinforced best practices for configuration hygiene and contributed to the long-term reliability of YAML-based configuration management.