Warn non-experienced users, they should really prefer the Auto Defaults

function in the partition editor.

en_US.ISO8859-1/books/handbook/install/chapter.sgml

@@ -1866,6 +1866,13 @@ Mounting root from ufs:/dev/md0c
 	  </tbody>
 	</tgroup>
       </table>
+
+      <warning>
+	<para>The values above are given as example and should be used
+	  by experienced users only.  Users are encouraged to use the
+	  automatic partition layout called <literal>Auto
+	  Defaults</literal> by the &os; partition editor.</para>
+      </warning>
       
       <para>If you will be installing FreeBSD on to more than one disk then
 	you must also create partitions in the other slices that you