Kristina Gagalova refactored the Nextflow version selection documentation in the nextflow-io/training repository, focusing on improving user guidance for setting the NXF_VER environment variable. She integrated NXF_VER instructions directly into the version selection workflow, removing the separate Environment variables section to streamline onboarding. Using Markdown and her documentation skills, Kristina also introduced a verification command to help users confirm their NXF_VER settings, addressing common support queries. The work was anchored by a single commit and aligned with open issues, demonstrating a targeted approach to documentation improvement. Her contribution enhanced clarity for users but was limited in scope and technical depth.