Helmut Nagy updated the documentation for the espressif/esp-iot-solution repository, focusing on clarifying the dependency between the ble_services and ble_conn_mgr components. By editing the project’s README using Markdown, Helmut made the cross-module requirements explicit, which helps reduce integration confusion and streamlines the onboarding process for new developers. The work centered on documentation skills rather than code changes or bug fixes, aiming to improve setup reliability for Bluetooth Low Energy (BLE) features. Although the contribution was limited in scope and depth, it addressed a specific pain point by making module expectations clearer for teams working with the repository.