diff --git a/testapp/src/main/java/de/staropensource/sosengine/testapp/package-info.java b/testapp/src/main/java/de/staropensource/sosengine/testapp/package-info.java
index a84f1f44..532d6113 100644
--- a/testapp/src/main/java/de/staropensource/sosengine/testapp/package-info.java
+++ b/testapp/src/main/java/de/staropensource/sosengine/testapp/package-info.java
@@ -1,3 +1,22 @@
+/*
+    STAROPENSOURCE ENGINE SOURCE FILE
+    Copyright (c) 2024 The StarOpenSource Engine Contributors
+    Licensed under the GNU Affero General Public License v3
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as
+    published by the Free Software Foundation, either version 3 of the
+    License, or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 /**
  * Contains the code for the engine development application.
  * You can always safely ignore everything in this package.