docs: fix some of the Sphinx warnings

diff --git a/docs/api/ledc.rst b/docs/api/ledc.rst
index 40855ddb470e4dde472512aa8a4e53404092e042..12d7cd16d0827bf3e52c9a0d6ab0df5b080d2810 100644 (file)
--- a/docs/api/ledc.rst
+++ b/docs/api/ledc.rst
@@ -22,15 +22,6 @@ Header Files
 
   * `driver/include/driver/ledc.h <https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/ledc.h>`_
 
-Data Structures
-^^^^^^^^^^^^^^^
-
-.. doxygenstruct:: ledc_channel_config_t
-   :members:
-
-.. doxygenstruct:: ledc_timer_config_t
-   :members:
-
 Macros
 ^^^^^^
 

diff --git a/docs/api/sigmadelta.rst b/docs/api/sigmadelta.rst
index acfdaaa27da0fc65d3c1e2187c852c0e987066e6..b03f0494211405455be4cebad1605f75c15d3a74 100644 (file)
--- a/docs/api/sigmadelta.rst
+++ b/docs/api/sigmadelta.rst
@@ -1,5 +1,5 @@
 Sigma-delta Modulation
-========
+======================
 
 Overview
 --------