Worked on the worldcoin/world-chain repository to improve code documentation by clarifying the intended visibility of the BUILDER_PRIVATE_KEY. Addressed a recurring source of confusion by adding a concise inline comment in Starlark, explicitly stating that the key is meant to be public. This targeted documentation update reduces the likelihood of unnecessary bug reports and streamlines future security reviews. The approach focused on maintainability and clear communication, leveraging code documentation best practices to set accurate expectations for contributors. No bug fixes were required during this period, and the work was delivered as a single, well-scoped commit to the codebase.