diff --git a/README.md b/README.md
index c974ef79fa978243d36561cd0cfd272f6ff29f21..c3212db3eae257935afbeb20641cb553dfdd4cbb 100644
--- a/README.md
+++ b/README.md
@@ -13,9 +13,9 @@ The project website of the SoniControl project with all published results and re
 
 ### Documentation
 
-* User documentation available on our website: [sonicontrol.fhstp.ac.at/documentation](http://sonicontrol.fhstp.ac.at/documentation)
+* User documentation available on our website: [sonicontrol.fhstp.ac.at/documentation](http://sonicontrol.fhstp.ac.at/wp-content/uploads/2017/07/sonicontrol_user_doc.pdf)
 
-* Developer documentation available on our website: [sonicontrol.fhstp.ac.at/documentation](http://sonicontrol.fhstp.ac.at/documentation)
+* Developer documentation available on our website: [sonicontrol.fhstp.ac.at/documentation](http://sonicontrol.fhstp.ac.at/wp-content/uploads/2017/07/sonicontrol_developer_doc_and-architecture_public.pdf)
 
 ### Prerequisites
 
diff --git a/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/BaseActivity.java b/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/BaseActivity.java
index 679f111a08aa9033c334d7598637b5f3a79bf4f4..993a69c19f2a305b8c20ff8ac6a4a1c29ff7443e 100644
--- a/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/BaseActivity.java
+++ b/SoniControl/app/src/main/java/at/ac/fhstp/sonicontrol/BaseActivity.java
@@ -69,7 +69,7 @@ public class BaseActivity extends AppCompatActivity {
     }
 
     public void openHelp(){
-        Uri uri = Uri.parse("http://sonicontrol.fhstp.ac.at"); // missing 'http://' will cause crashed
+        Uri uri = Uri.parse("http://sonicontrol.fhstp.ac.at/wp-content/uploads/2017/07/sonicontrol_user_doc.pdf"); // missing 'http://' will cause crashed
         Intent intent = new Intent(Intent.ACTION_VIEW, uri);
         startActivity(intent);
     }