diff --git a/README.rst b/README.rst
index 089b594..ae1de83 100644
--- a/README.rst
+++ b/README.rst
@@ -160,7 +160,7 @@ Show heads to be migrated
     1_202029051520102929_drop_column.json
 
 Limitations
------------
+===========
 * Not support ``change column`` now.
 * ``Sqlite`` and ``Postgres`` may not work as expected because I don't use those in my work.