diff --git a/man/udevadm.xml b/man/udevadm.xml
index b172266ad..112652c8d 100644
--- a/man/udevadm.xml
+++ b/man/udevadm.xml
@@ -514,7 +514,7 @@
     <title>See Also</title>
     <para><citerefentry>
         <refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum>
-    </citerefentry>
+    </citerefentry>,
     <citerefentry>
         <refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum>
     </citerefentry></para>