diff --git a/doc/source/conf.py b/doc/source/conf.py
index a55df76..fd8cbb5 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -91,7 +91,7 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'default'
+html_theme = 'nature'
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
diff --git a/doc/source/index.rst b/doc/source/index.rst
index e37e250..1ca7344 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -3,6 +3,7 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
+===================================
 Tempest Testing Project
 ===================================
 
@@ -14,10 +15,15 @@
    overview
 
 
-Field Guide:
+-------------------------------
+Field Guides
+-------------------------------
+Tempest contains tests of many different types, the field guides
+attempt to explain these in a way that makes it easy to understand
+where your test contributions should go.
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 1
 
    field_guide/index
    field_guide/api
@@ -28,6 +34,7 @@
    field_guide/whitebox
 
 
+==================
 Indices and tables
 ==================