diff --git a/releasenotes/source/conf.py b/releasenotes/source/conf.py
index ff50657f..00c3e5f5 100644
--- a/releasenotes/source/conf.py
+++ b/releasenotes/source/conf.py
@@ -167,7 +167,7 @@ html_static_path = ['_static']
 # html_domain_indices = True
 
 # If false, no index is generated.
-# html_use_index = True
+html_use_index = False
 
 # If true, the index is split into individual pages for each letter.
 # html_split_index = False
diff --git a/releasenotes/source/newton.rst b/releasenotes/source/newton.rst
index 97036ed2..07d91d3d 100644
--- a/releasenotes/source/newton.rst
+++ b/releasenotes/source/newton.rst
@@ -4,3 +4,4 @@
 
 .. release-notes::
    :branch: origin/stable/newton
+   :earliest-version: 13.0.0