diff --git a/docs/conf.py b/docs/conf.py
index c90e6ed74..f3f45e0d5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -32,7 +32,9 @@
     "sphinx.ext.napoleon",
     "sphinx.ext.autosummary",
     "sphinx.ext.intersphinx",
-    "sphinx_rtd_theme"
+    "sphinx_rtd_theme",
+    "sphinx.ext.graphviz",
+    "sphinx.ext.autosectionlabel",
     # "sphinxcontrib.bibtex",
 ]
 
@@ -44,6 +46,9 @@
 
 autosummary_generate = True
 
+# enable numref
+numfig = True
+
 # Napoleon settings
 napoleon_google_docstring = True
 napoleon_include_init_with_doc = True
@@ -95,18 +100,18 @@
 
 html_theme = "sphinx_rtd_theme"
 # html_static_path = ["_static/custom.css"]
-html_theme_options = {
-    # "logo": "logo.png",
-    # "logo_name": True,
-    "badge_branch": "develop",
-    "codecov_button": True,
-    "fixed_sidebar": True,
-    "github_user": "NREL",
-    "github_repo": "ROSCO toolbox",
-    "sidebar_width": "375px",
-    "page_width": "75%",
-    "show_relbars": True,
-}
+# html_theme_options = {
+#     # "logo": "logo.png",
+#     # "logo_name": True,
+#     "badge_branch": "develop",
+#     "codecov_button": True,
+#     "fixed_sidebar": True,
+#     "github_user": "NREL",
+#     "github_repo": "ROSCO toolbox",
+#     "sidebar_width": "375px",
+#     "page_width": "75%",
+#     "show_relbars": True,
+# }
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
diff --git a/docs/figures/ROSCO_toolbox.png b/docs/figures/ROSCO_toolbox.png
new file mode 100644
index 000000000..cc48b4024
Binary files /dev/null and b/docs/figures/ROSCO_toolbox.png differ
diff --git a/docs/index.rst b/docs/index.rst
index 307caa7ee..99e79d067 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -13,6 +13,17 @@ ROSCO toolbox documentation
 
 NREL's Reference OpenSource Controller (ROSCO) toolbox for wind turbine applications is a toolbox designed to ease controller implementation for the wind turbine researcher. The purpose of these documents is to provide information for the use of the ROSCO related toolchain. 
 
+Figure :numref:`fig-RT` shows the general workflow for the ROSCO toolchain.
+
+.. _fig-RT:
+.. figure:: /figures/ROSCO_toolbox.png
+   :alt: ROSCO_toolbox
+   :align: center
+   :width: 400px
+
+   ROSCO toolchain general workflow
+
+
 **ROSCO Toolbox**
 
 - Generic tuning of NREL's ROSCO controller
diff --git a/docs/source/install.rst b/docs/source/install.rst
index d7c8f70d8..829ffe2dd 100644
--- a/docs/source/install.rst
+++ b/docs/source/install.rst
@@ -1,7 +1,8 @@
-.. _install::
 .. toctree::
     :max_depth: 3
 
+.. _install:
+
 Installing the ROSCO tools
 ===========================
 Both the ROSCO controller and ROSCO toolbox should be installed if one wishes to leverage the full ROSCO toolchain. Of course, some users may only wish to download and install only the controller or the toolbox.