Jaan contributed targeted documentation improvements to the lumi-userguide repository, focusing on enhancing the onboarding process for Julia container jobs on the LUMI supercomputer. By updating Markdown-based guides, Jaan clarified the availability of local CSC installations and provided precise instructions for accessing Julia installation resources relevant to LUMI users. This work involved careful alignment of documentation with the actual LUMI environment, ensuring that new users could more easily execute containerized Julia workflows. Jaan applied documentation best practices and version control skills, resulting in more accurate and accessible onboarding materials, though the scope was limited to a single feature update over one month.