diff --git a/docs/reference/libmm-glib/libmm-glib-docs.xml b/docs/reference/libmm-glib/libmm-glib-docs.xml
index 80b3ce57..dcf48fb9 100644
--- a/docs/reference/libmm-glib/libmm-glib-docs.xml
+++ b/docs/reference/libmm-glib/libmm-glib-docs.xml
@@ -158,6 +158,7 @@
       <title>The Call object</title>
       <xi:include href="xml/mm-call.xml"/>
       <xi:include href="xml/mm-call-properties.xml"/>
+      <xi:include href="xml/mm-call-audio-format.xml"/>
     </chapter>
 
   </part>