diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index dd22b6d0c6..83d551ada0 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1175,7 +1175,7 @@
     <hyperv>
       <relaxed state='on'/>
       <vapic state='on'/>
-      <spinlocks state='on' retries='4096'</spinlocks>
+      <spinlocks state='on' retries='4096'/>
     </hyperv>
 
   </features>