diff --git a/doc/source/index.rst b/doc/source/index.rst
index 3c793da..8c12138 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -24,6 +24,7 @@
    launchers
    statsd
    client
+   internals
 
 Indices and tables
 ==================