diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 4fb58293b0..c3e7752f8b 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -925,7 +925,7 @@
     </disk>
     <disk type='block' device='cdrom'>
       <driver name='qemu' type='raw'/>
-      <target def='hdc' bus='ide'/>
+      <target dev='hdc' bus='ide'/>
       <readonly/>
     </disk>
   </devices>