Asger Petersen contributed to the dotnet/EntityFramework.Docs repository by enhancing the documentation related to buffering and streaming in EF Core. He focused on clarifying guidance for these features, addressing a missing word and correcting a minor typo to improve accuracy and readability. Using Markdown and Git-based documentation workflows, Asger ensured that the updated content was precise and easy to understand, which helps developers interpret EF Core behavior more reliably. His work involved technical writing, documentation review, and collaboration with the EF Core docs community, ultimately reducing ambiguity and potential support questions for users onboarding with EF Core.