Contributed a focused documentation update to the cilium/cilium repository, detailing FPT Telecom’s deployment of Cilium CNI, cluster-wide network policies, and Hubble-based CPE management traffic. The work centered on enhancing USERS.md using Markdown, providing clear guidance on best practices and improving onboarding for new users. By documenting specific usage patterns and adding a dedicated Quality contact, the update strengthened support readiness and knowledge traceability. No bugs were addressed during this period, as the primary emphasis was on expanding the knowledge base and ensuring documentation accuracy. The contribution demonstrated attention to detail in technical writing and process transparency.