Worked on enhancing the documentation for the ocaml/dune repository, focusing on the 'dirs' and 'include_subdirs' features within the Dune build system. The approach involved clarifying directory naming conventions and introducing explicit warnings about potential lexer and parser issues when using 'include_subdirs', aiming to reduce misconfigurations and streamline onboarding for new developers. Leveraging skills in documentation and the reStructuredText (RST) language, the contribution aligned the documentation with existing feature areas to improve consistency. This targeted update addressed common support questions, lowered the risk of user error, and contributed to the overall stability and maintainability of the project’s documentation.