diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml
index c98a8c6f75..bb84dcc1c9 100644
--- a/documentation/dev-manual/dev-manual-common-tasks.xml
+++ b/documentation/dev-manual/dev-manual-common-tasks.xml
@@ -4265,6 +4265,16 @@
                                 <listitem><para><filename>swap</filename>
                                 </para></listitem>
                             </itemizedlist></para></listitem>
+                        <listitem><para><emphasis><filename>&dash;&dash;fsoptions</filename>:</emphasis>
+                            Specifies a free-form string of options to be
+                            used when mounting the filesystem. 
+                            This string will be copied into the
+                            <filename>/etc/fstab</filename> file of the
+                            installed system and should be enclosed in
+                            quotes.  
+                            If not specified, the default string
+                            is "defaults".
+                            </para></listitem>
                         <listitem><para><emphasis><filename>--label label</filename>:</emphasis>
                             Specifies the label to give to the filesystem to
                             be made on the partition.