espressif
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@@ -73,6 +73,8 @@ Installing using PlatformIO
 
 PlatformIO is a professional collaborative platform for embedded development. It has out-of-the-box support for ESP32 SoCs and allows working with Arduino ESP32 as well as ESP-IDF from Espressif without changing your development environment. PlatformIO includes lots of instruments for the most common development tasks such as debugging, unit testing, and static code analysis.
 
+.. warning:: PlatformIO is not officially supported by Espressif. Please report any issues with PlatformIO directly to its developers on the official `PlatformIO repositories <https://github.com/platformio>`_.
+
 A detailed overview of the PlatformIO ecosystem and its philosophy can be found in `the official documentation <https://docs.platformio.org/en/latest/core/index.html>`_.
 
 PlatformIO can be used in two flavors:
 
@@ -8,6 +8,9 @@ OTAWebUpdate is done with a web browser that can be useful in the following typi
 - after deployment if user is unable to expose Firmware for OTA from external update server
 - provide updates after deployment to small quantity of modules when setting an update server is not practicable
 
+For more information about the update process, please refer to the `OTA API reference <https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/ota.html>`_
+section of the ESP-IDF documentation.
+
 Requirements
 ------------