diff --git a/docs/libs/gst-plugins-base-libs-docs.sgml b/docs/libs/gst-plugins-base-libs-docs.sgml
index f954c3f41e..db56ded255 100644
--- a/docs/libs/gst-plugins-base-libs-docs.sgml
+++ b/docs/libs/gst-plugins-base-libs-docs.sgml
@@ -160,6 +160,7 @@
       <xi:include href="xml/gstrtspbase64.xml" />
       <xi:include href="xml/gstrtspconnection.xml" />
       <xi:include href="xml/gstrtspdefs.xml" />
+      <xi:include href="xml/gstrtspextension.xml" />
       <xi:include href="xml/gstrtspmessage.xml" />
       <xi:include href="xml/gstrtsprange.xml" />
       <xi:include href="xml/gstrtsptransport.xml" />
diff --git a/docs/libs/gst-plugins-base-libs-sections.txt b/docs/libs/gst-plugins-base-libs-sections.txt
index 04889f81ef..add855026a 100644
--- a/docs/libs/gst-plugins-base-libs-sections.txt
+++ b/docs/libs/gst-plugins-base-libs-sections.txt
@@ -1452,6 +1452,14 @@ gst_rtsp_watch_reset
 gst_rtsp_watch_queue_message
 </SECTION>
 
+<SECTION>
+<FILE>gstrtspextension</FILE>
+<INCLUDE>gst/rtsp/gstrtspextension.h</INCLUDE>
+GstRTSPExtensionInterface
+<SUBSECTION Standard>
+gst_rtsp_extension_get_type
+</SECTION>
+
 <SECTION>
 <FILE>gstrtspmessage</FILE>
 <INCLUDE>gst/rtsp/gstrtspmessage.h</INCLUDE>
diff --git a/gst-libs/gst/rtsp/gstrtspextension.c b/gst-libs/gst/rtsp/gstrtspextension.c
index 140f82fc1a..716df04a4d 100644
--- a/gst-libs/gst/rtsp/gstrtspextension.c
+++ b/gst-libs/gst/rtsp/gstrtspextension.c
@@ -25,6 +25,8 @@
  *
  * <refsect2>
  * <para>
+ *  This interface is implemented e.g. by the Windows Media Streaming RTSP
+ *  exentension (rtspwms) and the RealMedia RTSP extension (rtspreal).
  * </para>
  * </refsect2>
  *