diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index f1dadc61f6..8c15a734ad 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -3166,7 +3166,7 @@
       <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
     </controller>
     <controller type='scsi' index='0' model='virtio-scsi'>
-      <driver iothread='4'>
+      <driver iothread='4'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
     </controller>
     ...