Changed link to changes

Author: chschulte

changes.html

@@ -17,7 +17,7 @@
 
   <p>
     Gecode {{ GECODESTAMP }} has been released on
-    {{ GECODECLEARDATE }} (<a href="changes.html">Changelog</a>).
+    {{ GECODECLEARDATE }} (<a href="doc-latest/reference/PageChange.html">Changelog</a>).
     Gecode is distributed under the MIT license. See our
     <a href="license.html">license information page</a> for details.
     If you find any bugs, please report them using