diff --git a/api-ref/src/wadls/image-api/src/v2/common.ent b/api-ref/src/wadls/image-api/src/v2/common.ent
index ae77446e3..588bca8b5 100644
--- a/api-ref/src/wadls/image-api/src/v2/common.ent
+++ b/api-ref/src/wadls/image-api/src/v2/common.ent
@@ -423,7 +423,7 @@
    <para>
       Format of the container. A valid value is <code>ami</code>,
       <code>ari</code>, <code>aki</code>, <code>bare</code>,
-      <code>ovf</code>, or <code>ova</code>.
+      <code>ovf</code>, <code>ova</code>, or <code>docker</code>.
    </para>
 </wadl:doc>
 </param>'>