diff --git a/common b/common
index cd4da6a319..345fd98510 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit cd4da6a319d9f92d28f7b8a3b412577e6de50b64
+Subproject commit 345fd9851051274dd758a19bbe33dbb561b4d303
diff --git a/gst/audioconvert/gstaudioconvert.c b/gst/audioconvert/gstaudioconvert.c
index b2b9a4530a..2ae77c9add 100644
--- a/gst/audioconvert/gstaudioconvert.c
+++ b/gst/audioconvert/gstaudioconvert.c
@@ -21,6 +21,31 @@
  * Boston, MA 02111-1307, USA.
  */
 
+/**
+ * SECTION:element-audioconvert
+ *
+ * <refsect2>
+ * Audioconvert converts raw audio buffers between various possible formats.
+ * It supports integer to float conversion, widht/depth conversion,
+ * signedness and endianness conversion.
+ * <title>Example launch line</title>
+ * <para>
+ * <programlisting>
+ * gst-launch -v -m sinesrc ! audioconvert ! audio/x-raw-int,channels=2,width=8,depth=8 ! level ! fakesink silent=TRUE
+ * </programlisting>
+ * This pipeline converts audio to 8-bit.  The level element shows that
+ * the output levels still match the one for a sine wave.
+ * </para>
+ * <para>
+ * <programlisting>
+ * gst-launch -v -m sinesrc ! audioconvert ! vorbisenc ! fakesink silent=TRUE
+ * </programlisting>
+ * The vorbis encoder takes float audio data instead of the integer data
+ * generated by sinesrc.
+ * </para>
+ * </refsect2>
+ */
+
 /*
  * design decisions:
  * - audioconvert converts buffers in a set of supported caps. If it supports