diff --git a/docs/en/api-reference/system/freertos.rst b/docs/en/api-reference/system/freertos.rst index f5b2b8dc00..0f548c20dd 100644 --- a/docs/en/api-reference/system/freertos.rst +++ b/docs/en/api-reference/system/freertos.rst @@ -6,6 +6,9 @@ Overview This section contains documentation of FreeRTOS types, functions, and macros. It is automatically generated from FreeRTOS header files. +.. note:: + ESP-IDF FreeRTOS is based on the Xtensa port of FreeRTOS v8.2.0, however some functions of FreeRTOS v9.0.0 have been backported. See the :ref:`backported-features` for more information. + For more information about FreeRTOS features specific to ESP-IDF, see :doc:`ESP-IDF FreeRTOS SMP Changes<../../api-guides/freertos-smp>` and :doc:`ESP-IDF FreeRTOS Additions`.