diff --git a/developer_manual/app/index.rst b/developer_manual/app/index.rst
index a95ae1f51..92af52765 100644
--- a/developer_manual/app/index.rst
+++ b/developer_manual/app/index.rst
@@ -28,11 +28,13 @@
    configuration
    filesystem
    users
+   two-factor-provider
    hooks
    backgroundjobs
    logging
    testing
    publishing
+   code_signing
 
 ===============
 App Development