During May 2025, Nahuel G. contributed to the mercadopago/devsite-docs repository by enhancing developer-facing documentation related to payment rejection scenarios. He focused on clarifying the cc_rejected_high_risk warning, addressing edge cases where consecutive payments with identical payer and items could trigger duplicate warnings. Nahuel implemented these updates in Markdown, ensuring multilingual support in English, Spanish, and Portuguese to improve accessibility for a broader developer audience. His work centered on documentation skills, delivering clear guidance about potential duplicate payment attempts. The updates were delivered through two targeted commits, reflecting a focused and precise approach to improving the clarity of technical documentation.