diff --git a/index.htm b/index.htm
index 51b2951..36e5f9a 100644
--- a/index.htm
+++ b/index.htm
@@ -945,6 +945,12 @@ template.</p>
         <td valign="top" bgcolor="#C0C0C0"><code>&lt;boost/type_traits/transform_traits.hpp&gt;</code></td>
         <td>&nbsp;</td>
     </tr>
+    <tr>
+        <td>&nbsp;</td>
+        <td bgcolor="#C0C0C0"><code>add_const</code></td>
+        <td bgcolor="#C0C0C0"><code>&lt;boost/type_traits/transform_traits.hpp&gt;</code></td>
+        <td>&nbsp;</td>
+    </tr>
     <tr>
         <td valign="top" width="7%">&nbsp;</td>
         <td valign="top" width="43%" bgcolor="#C0C0C0"><code>add_pointer</code></td>