Sebastian Kirchmeyer enhanced the Checkmk/checkmk-docs repository by delivering a documentation feature focused on appliance clustering deployments. He generalized network interface naming in both documentation and configuration examples, clarifying that identifiers such as LAN1 and eth0 are hardware-dependent and should be treated as illustrative rather than prescriptive. This approach, implemented in asciidoc and leveraging his technical writing and documentation skills, aimed to reduce deployment ambiguity and support friction. The work was completed as a concise, review-friendly single commit, improving the clarity and accuracy of network configuration guidance for users. The scope was focused, with depth in documentation best practices.