diff --git a/releasenotes/source/index.rst b/releasenotes/source/index.rst
index 849a725..82a3a4d 100644
--- a/releasenotes/source/index.rst
+++ b/releasenotes/source/index.rst
@@ -1,6 +1,6 @@
-============================================
- venusclient Release Notes
-============================================
+=========================
+venusclient Release Notes
+=========================
 
 .. toctree::
    :maxdepth: 1