diff --git a/docs/formatnwfilter.html.in b/docs/formatnwfilter.html.in
index 45b97f7699..7169fa972a 100644
--- a/docs/formatnwfilter.html.in
+++ b/docs/formatnwfilter.html.in
@@ -765,7 +765,7 @@
          <td>Mask applied to MAC address of destination</td>
        </tr>
        <tr>
-         <td>vlan-id</td>
+         <td>vlanid</td>
          <td>UINT16 (0x0-0xfff, 0 - 4095)</td>
          <td>VLAN ID</td>
        </tr>