Grigori Rybkine enhanced the documentation for ROOT 7 ntuple tutorials in the root-project/root repository, focusing on improving onboarding and usability for new users. He updated the tutorials by adding a direct link to the RNTuple Introduction and provided detailed setup instructions for running ntuple examples. Through targeted revisions to Architecture.md, Grigori clarified API usage and data access patterns, offering better guidance for developers working with ntuples. His work, implemented in C++ and Markdown with an emphasis on technical writing, addressed gaps in developer documentation, resulting in clearer instructions and a smoother learning curve for those adopting ROOT 7 ntuple features.