Update links

doc/index.html

@@ -8,18 +8,18 @@
 
 This directory contains several subdirectories with entries for 
 informations on Dolibarr.<br>
-But if you are looking for Dolibarr documentation, you can find this
+But if you are looking for other resources (downloads, documentation, addons, ...), you can find this
 on Internet on web following sites:<br>
 <br>
-* <a href="http://wiki.dolibarr.org">Dolibarr wiki</a><br>
+* <a href="http://wiki.dolibarr.org">Dolibarr wiki (documentation)</a><br>
 <br>
-* <a href="http://www.dolibarr.org/">Dolibarr official website</a><br>
+* <a href="http://www.dolibarr.org">Dolibarr portal (official website)</a><br>
 <br>
-* <a href="http://demo.dolibarr.org/public/demo/">Dolibarr demo</a><br>
+* <a href="http://demo.dolibarr.org">Dolibarr demo (online)</a><br>
 <br>
 * <a href="http://www.nltechno.com/pages/dolibarrwinbin.php">DoliWamp, the Dolibarr for Windows</a><br>
 <br>
-* <a href="http://www.dolistore.com/">DoliStore, the official addons/plugins market place</a><br>
+* <a href="http://www.dolistore.com">DoliStore (official addons/plugins market place)</a><br>
 
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