adding forgetten whitespace

dwm.html

@@ -99,7 +99,7 @@
 			<li><a href="http://10kloc.org/shots/dwm-20060810a.png">Screenshot of tiled mode</a> (20060810)</li>
 			<li><a href="http://10kloc.org/shots/dwm-20060810b.png">Screenshotof floating mode</a> (20060810)</li>
 			<li><a href="http://10kloc.org/download/poster.ps">A4 poster (PostScript)</a></li>
-			<li>Mailing List: <a href="http://10kloc.org/cgi-bin/mailman/listinfo/dwm">dwm at wmii dot de</a> <a href="http://10kloc.org/pipermail/dwm/">(Archives)</a><a href="http://dir.gmane.org/gmane.comp.window-managers.dwm">(GMANE Archive)</a></li>
+			<li>Mailing List: <a href="http://10kloc.org/cgi-bin/mailman/listinfo/dwm">dwm at wmii dot de</a> <a href="http://10kloc.org/pipermail/dwm/">(Archives)</a>&nbsp;<a href="http://dir.gmane.org/gmane.comp.window-managers.dwm">(GMANE Archive)</a></li>
 			<li>IRC channel: <code>#dwm</code> at <code>irc.oftc.net</code></li>
 		</ul>
 		<h3>Download</h3>