Worked on enhancing the R Notebook Content and Data Loading Guidance within the coding-for-reproducible-research/CfRR_Courses repository, focusing on improving onboarding and reproducibility for new users. Applied R programming and data analysis skills to correct typographical errors in the notebook introduction, clarify data loading instructions, and update notebook metadata to specify the R version, ensuring consistent environments across users. The technical approach emphasized clear documentation and precise guidance, reducing potential support needs and streamlining adoption. The work demonstrated attention to detail in notebook development, directly addressing user experience challenges and supporting reproducible research practices through targeted, incremental improvements.