diff --git a/doc/index.rst b/doc/index.rst
index e5693c1..5356a95 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -1,7 +1,7 @@
 
 
-Autocmake
-=========
+Autocmake (this documentation is outdated, see stable-0.x branch)
+=================================================================
 
 
 General