diff --git a/index.rst b/index.rst
index 056bb95..b22db7e 100644
--- a/index.rst
+++ b/index.rst
@@ -13,6 +13,13 @@
    overview/*
 
 .. toctree::
+   :maxdepth: 1
+   :caption: Voltctl
+   :glob:
+
+   voltctl
+
+.. toctree::
    :maxdepth: 2
    :caption: BBSim