diff --git a/doc/mainpage.dox b/doc/mainpage.dox
--- a/doc/mainpage.dox
+++ b/doc/mainpage.dox
@@ -56,5 +56,5 @@
 <a class="el" href="modules.html">Modules</a>
 section.
 
-
+If you are a user of the old (0.x) series of LEMON, please check out the \ref migration "Migration Guide" for the backward incompatibilities.
 */