diff -r e578ea22f371 -r 6cc607fe1d3d docs/landscape.html
--- a/docs/landscape.html	Fri Dec 07 18:05:49 2007 +0000
+++ b/docs/landscape.html	Fri Dec 07 21:14:54 2007 +0000
@@ -945,6 +945,7 @@
        </tr>
       </table>
      </li>
+     <li>m4: Owner of the water</li>
      <li>m6 bits 7..6 : Possibility of a bridge above, in the <a href="#bridge_direction">direction specified</a></li>
      <li>m6 bits 1..0 : <a href="#tropic_zone">Tropic zone definition</a></li>
     </ul>