Fix welcome page

Author: cboulanger

source/resource/qxl/packagebrowser/welcome.html

@@ -47,8 +47,8 @@ <h1>Welcome to the Package Browser</h1>
       Please note that the package data is generally regenerated every 24 hours,
       so you will see new packages and new releases after a certain delay. To
       browse the latest and greatest versions of the packages, clone the
-      <a href="javascript:void(window.open('https://github.com/qooxdoo/qxl.packageviewer'))">
-        qooxdoo/qxl.packageviewer repo</a> and (re)build it with
+      <a href="javascript:void(window.open('https://github.com/qooxdoo/qxl.packagebrowser'))">
+        qooxdoo/qxl.packagebrowser repo</a> and (re)build it with
       <span class="code">qx serve --clean</span>.
   </ul>
 </body>