package</a> will generate the graphs remotely.</li>
<li>A blank value will disable dependency graphing.</li>
</ul>
-The default value is a publically-accessible webdot server.",
+The default value is a publically-accessible webdot server. If you change
+this value, make certain that the webdot server can read files from your
+data/webdot directory. On Apache you do this by editing the .htaccess file,
+for other systems the needed measures may vary. You can run checksetup.pl
+to recreate the .htaccess file if it has been lost.",
"t",
"http://www.research.att.com/~north/cgi-bin/webdot.cgi/%urlbase%",
\&check_webdotbase);