diff --git a/src/twomartens/masterthesis/__init__.py b/src/twomartens/masterthesis/__init__.py
index 3dfe6b7..e5e3d96 100644
--- a/src/twomartens/masterthesis/__init__.py
+++ b/src/twomartens/masterthesis/__init__.py
@@ -19,4 +19,5 @@ Masterthesis package.
 
 Subpackages:
     ``aae``: provides an implementation of Adversarial Auto Encoders
+    ``ssd_keras``: provides an implementation of SSD
 """