doc: improve

doc/66-start.html

@@ -155,7 +155,7 @@ This is done recursively.</p>
 			</li>
 			<li>
 				Switch the <em>live</em> service database of the <em>tree</em> to this new fresh compiled database. 
-				Send an <tt>66-dbctl -v <em>verbosity</em> -l <em>live</em> -t <em>tree</em> -d <em>selection</em></tt> command.
+				Send an <tt>66-dbctl -v <em>verbosity</em> -T <em>timeout</em> -l <em>live</em> -t <em>tree</em> -d <em>selection</em></tt> command.
 			</li>
 			<li>
 				Finally performs an <tt><tt>66-dbctl -v <em>verbosity</em> -T <em>timeout</em> -l <em>live</em> -t <em>tree</em> -u <em>selection</em></tt> command</tt>