October 2025 monthly summary: Delivered targeted, user-facing documentation improvements and a critical link fix across Prometheus and Grafana repositories. In prometheus/prometheus, documented the SigV4 use_fips_sts_endpoint option within HTTP configuration, clarifying its purpose and supported use cases for AWS STS endpoints. In grafana/grafana, fixed the Grafana Labs hands-on lab repository link to point to the correct starter version, ensuring users access the intended resources for dashboard generation. These changes reduce onboarding friction, improve configuration accuracy, and enhance the overall developer/user experience. The work demonstrates strong documentation skills, attention to user workflows, and the ability to operate across multiple repositories.