non-jira: corrected outdated link

src/main/java/org/olat/test/_content/guidemo.html

@@ -6,4 +6,4 @@ On the following pages you'll find a demonstration of the OLAT Framework functio
 Choose from the menu on your left. From each demo element you can view the source code by clicking the source code link. Every output consists of
 Java code in a controller <i>(BasicController.java)</i> and a velocity page which renders the HTML output based on variables that are put into the velocity context.
 </p>
-<p>More information regarding OLAT development you will get <a target="_blank" href="http://www.olat.org/website/en/html/unit_development.html">here.</a></p>
+<p>More information regarding OLAT development you will get <a target="_blank" href="http://openolat.org">here.</a></p>