Worked on documentation improvements and a critical bug fix across the prometheus/prometheus and grafana/grafana repositories. Enhanced the Prometheus HTTP configuration documentation by clarifying the use and supported scenarios for the SigV4 use_fips_sts_endpoint option, helping users correctly configure AWS STS endpoints. In Grafana, corrected the hands-on lab repository link to ensure users access the intended starter resources for dashboard generation. These updates, implemented using Markdown and leveraging AWS configuration management expertise, reduced onboarding friction and improved user workflows. Demonstrated strong technical writing and cross-repository collaboration skills, focusing on clear communication and practical solutions to common user challenges.