diff --git a/docs/source/index.rst b/docs/source/index.rst
index ba2c859..4b7a7ad 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -23,6 +23,7 @@ Contents
    users
    groups
    maps
+   r
    css
    pdf
    permalinks