diff --git a/README.rst b/README.rst
index f392b67..1da6ece 100644
--- a/README.rst
+++ b/README.rst
@@ -72,7 +72,7 @@ You can use ``pip`` or ``easy_install`` to install msgpack::
 
 
 Windows
-''''''''
+^^^^^^^
 msgpack provides some binary distribution for Windows.
 You can install msgpack without compiler with them.