diff --git a/index.bs b/index.bs
index 13d75c2..d114136 100644
--- a/index.bs
+++ b/index.bs
@@ -2057,6 +2057,10 @@ of the following values.
     <td><code>0x08</code></td>
     <td>Mass Storage</td>
   </tr>
+  <tr>
+    <td><code>0x09</code></td>
+    <td>Hub</td>
+  </tr>
   <tr>
     <td><code>0x0B</code></td>
     <td>Smart Card</td>