diff --git a/manual/sidebar_toc.py b/manual/sidebar_toc.py
index b039dfc337..828eb7cad2 100644
--- a/manual/sidebar_toc.py
+++ b/manual/sidebar_toc.py
@@ -57,7 +57,8 @@ def visit_checkbox(self, node):
 
 
 def modify_li(li):
-    if li.first_child_matching_class(nodes.bullet_list) is None:
+    sublist = li.first_child_matching_class(nodes.bullet_list)
+    if sublist is None or li[sublist].first_child_matching_class(nodes.list_item) is None:
         if not li.get('classes'):
             li['classes'] = []
         li['classes'].append('leaf-node')
diff --git a/manual/simple_index.rst b/manual/simple_index.rst
index 1875bad1de..b01a61304d 100644
--- a/manual/simple_index.rst
+++ b/manual/simple_index.rst
@@ -19,8 +19,7 @@ To get started with more advanced usage, you should read about :doc:`gui`. For e
     
     **An e-book version of this user manual is available in** `EPUB format <calibre.epub>`_,  `AZW3 (Kindle Fire) format <calibre.azw3>`_ and `PDF format <calibre.pdf>`_.
     
-Sections
-------------
+.. rubric:: Sections
 
 .. toctree::
    :maxdepth: 1