diff --git a/doc/freedombox-manual.xml b/doc/freedombox-manual.xml
index b9cbaa24c..c210621b2 100644
--- a/doc/freedombox-manual.xml
+++ b/doc/freedombox-manual.xml
@@ -2367,6 +2367,15 @@ firewall-cmd --permanent --zone=internal --remove-interface=eth0</screen>
                     <ulink url="https://wiki.debian.org/FreedomBox/Hardware/VirtualBox#">VirtualBox</ulink>
                   </para>
                 </entry>
+                <entry colsep="1" rowsep="1">
+                  <para>.</para>
+                </entry>
+                <entry colsep="1" rowsep="1">
+                  <para>.</para>
+                </entry>
+                <entry colsep="1" rowsep="1">
+                  <para>.</para>
+                </entry>
               </row>
             </tbody>
           </tgroup>