diff --git a/src/twomartens/masterthesis/__init__.py b/src/twomartens/masterthesis/__init__.py
index e5e3d96..6ac59f4 100644
--- a/src/twomartens/masterthesis/__init__.py
+++ b/src/twomartens/masterthesis/__init__.py
@@ -20,4 +20,7 @@ Masterthesis package.
 Subpackages:
     ``aae``: provides an implementation of Adversarial Auto Encoders
     ``ssd_keras``: provides an implementation of SSD
+    
+Modules:
+    ``ssd``: provides functionality to use the SSD models
 """
diff --git a/src/twomartens/masterthesis/ssd.py b/src/twomartens/masterthesis/ssd.py
new file mode 100644
index 0000000..3a7228f
--- /dev/null
+++ b/src/twomartens/masterthesis/ssd.py
@@ -0,0 +1,20 @@
+#  -*- coding: utf-8 -*-
+#
+#  Copyright 2019 Jim Martens
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+"""
+Provides functionality to use the SSD Keras implementation.
+"""
+