diff --git a/src/twomartens/masterthesis/__init__.py b/src/twomartens/masterthesis/__init__.py
index 6ac59f4..9b4adb6 100644
--- a/src/twomartens/masterthesis/__init__.py
+++ b/src/twomartens/masterthesis/__init__.py
@@ -22,5 +22,6 @@ Subpackages:
     ``ssd_keras``: provides an implementation of SSD
     
 Modules:
+    ``data``: provides functionality to load data sets
     ``ssd``: provides functionality to use the SSD models
 """