diff --git a/developer_manual/digging_deeper/index.rst b/developer_manual/digging_deeper/index.rst
index 004f2b4b6..9d289d2d3 100644
--- a/developer_manual/digging_deeper/index.rst
+++ b/developer_manual/digging_deeper/index.rst
@@ -24,4 +24,5 @@ Digging deeper
    two-factor-provider
    users
    dashboard
+   projects
    web_host_metadata