diff --git a/docs/libs/gst-plugins-base-libs-docs.sgml b/docs/libs/gst-plugins-base-libs-docs.sgml
index 78e4ad2940..734c46a483 100644
--- a/docs/libs/gst-plugins-base-libs-docs.sgml
+++ b/docs/libs/gst-plugins-base-libs-docs.sgml
@@ -59,7 +59,6 @@
       <xi:include href="xml/gstaudiodecoder.xml" />
       <xi:include href="xml/gstaudioencoder.xml" />
       <xi:include href="xml/gstaudiofilter.xml" />
-      <xi:include href="xml/gstaudiomixerutils.xml" />
       <xi:include href="xml/gstaudiosink.xml" />
       <xi:include href="xml/gstaudiosrc.xml" />
       <xi:include href="xml/gstaudiobasesink.xml" />
diff --git a/docs/libs/gst-plugins-base-libs-sections.txt b/docs/libs/gst-plugins-base-libs-sections.txt
index f0b17b9173..d8498a445f 100644
--- a/docs/libs/gst-plugins-base-libs-sections.txt
+++ b/docs/libs/gst-plugins-base-libs-sections.txt
@@ -372,13 +372,6 @@ GST_AUDIO_FILTER_INFO
 GST_AUDIO_FILTER_RATE
 </SECTION>
 
-<SECTION>
-<FILE>gstaudiomixerutils</FILE>
-<INCLUDE>gst/audio/mixerutils.h</INCLUDE>
-GstAudioMixerFilterFunc
-gst_audio_default_registry_mixer_filter
-</SECTION>
-
 <SECTION>
 <FILE>gstaudiosink</FILE>
 <INCLUDE>gst/audio/gstaudiosink.h</INCLUDE>
diff --git a/gst-libs/gst/audio/audio-channels.c b/gst-libs/gst/audio/audio-channels.c
index 2f6f7a543b..e5d2a555c2 100644
--- a/gst-libs/gst/audio/audio-channels.c
+++ b/gst-libs/gst/audio/audio-channels.c
@@ -17,10 +17,10 @@
  * Boston, MA 02110-1301, USA.
  */
 /**
- * SECTION:gstaudio
- * @short_description: Support library for audio elements
+ * SECTION:gstaudiochannels
+ * @short_description: Support library for audio channel handling
  *
- * This library contains some helper functions for audio elements.
+ * This library contains some helper functions for multichannel audio.
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/gst-libs/gst/audio/gstaudiometa.c b/gst-libs/gst/audio/gstaudiometa.c
index b0a18459af..0cadc02bb4 100644
--- a/gst-libs/gst/audio/gstaudiometa.c
+++ b/gst-libs/gst/audio/gstaudiometa.c
@@ -17,6 +17,15 @@
  * Boston, MA 02110-1301, USA.
  */
 
+/**
+ * SECTION:gstaudiometa
+ * @short_description: Buffer metadata for audio downmix matrix handling
+ *
+ * #GstAudioDownmixMeta defines an audio downmix matrix to be send along with
+ * audio buffers. These functions in this module help to create and attach the
+ * meta as well as extracting it.
+ */
+
 #include <string.h>
 
 #include "gstaudiometa.h"
@@ -103,7 +112,7 @@ gst_buffer_get_audio_downmix_meta_for_channels (GstBuffer * buffer,
  * @to_channels: The number of channels of the destination
  * @matrix: The matrix coefficients.
  *
- * Attaches GstAudioDownmixMeta metadata to @buffer with the given parameters.
+ * Attaches #GstAudioDownmixMeta metadata to @buffer with the given parameters.
  *
  * @matrix is an two-dimensional array of @to_channels times @from_channels
  * coefficients, i.e. the i-th output channels is constructed by multiplicating