diff --git a/docs/manual/CoreTasks/typedef.html b/docs/manual/CoreTasks/typedef.html
index c2238f736..0a2b4df29 100644
--- a/docs/manual/CoreTasks/typedef.html
+++ b/docs/manual/CoreTasks/typedef.html
@@ -134,6 +134,15 @@
     </td>
     <td valign="top" align="center">No</td>
   </tr>
+  <tr>
+    <td valign="top">uri</td>
+    <td valign="top">
+      <font color="red">Experimental</font>
+      The uri that this definition should live in.
+      (introduced in ant1.6 <font color="red">Experimental</font>)
+    </td>
+    <td valign="top" align="center">No</td>
+  </tr>
 </table>
   <h3>Parameters specified as nested elements</h3>
   <h4>classpath</h4>