diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index b8c64a1..27cc383 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -173,5 +173,6 @@
     <string name="help_support_clock_descr">By pressing the clock in every stage of this app, the clock can be started and stopped.</string>
     <string name="help_support_next">By clicking on the \'next\' button, the app will choose a new exercise in the current body region. At the same time the clock will be reset on the next full minute, so the time will be spend fully on the exercises.</string>
     <string name="help_support_title">Instruction manual</string>
+    <string name="privacy_friendly">This application belongs to the group of Privacy Friendly Apps developed by Technische Universität Darmstadt. Sourcecode licensed under GPLv3. Images copyright TU Darmstadt and Google Inc.</string>
 
 </resources>