Over a two-month period, contributed targeted documentation improvements to the tree-sitter/tree-sitter and rust-lang/rustfmt repositories, focusing on enhancing technical accuracy and onboarding clarity. Addressed documentation bugs by correcting a spelling error in the grammar DSL documentation for tree-sitter, ensuring users receive precise information. In rustfmt, updated configuration examples to accurately demonstrate the use_field_init_shorthand feature, adding missing variable initialization to reduce confusion for new users. All changes were implemented using Markdown, emphasizing attention to detail and a commitment to maintaining high-quality documentation. No new features were delivered, with efforts concentrated on bug fixes and documentation maintenance throughout the engagement.