diff --git a/doc/main.html b/doc/main.html
index 55fefd4..9b3230a 100644
--- a/doc/main.html
+++ b/doc/main.html
@@ -128,6 +128,10 @@ <h2>Approved List</h2>
           <td>Unicode Consortium (UNICODE)  </td>
           <td>Standard </td>
         </tr>
+        <tr>
+          <td>USB Implementers Forum (USB-IF)</td>
+          <td>Specification</td>
+        </tr>
         <tr>
           <td>World Wide Web Consortium (W3C)  </td>
           <td>Recommendation </td>