During February 2025, Gleb Pastushenko contributed to the javascript-tutorial/es.javascript.info repository by focusing on improving the clarity and accuracy of technical documentation. He addressed a minor grammatical issue in the article explaining JavaScript’s __proto__ property, refining the language to enhance reader comprehension and reduce ambiguity. Gleb’s work centered on Markdown-based documentation, ensuring that the tutorial content remained accessible and precise for Spanish-speaking learners. Although the scope of changes was limited to a single editorial bug fix, his attention to detail maintained the overall quality of the repository. His contributions demonstrated a careful approach to documentation and language accuracy.