diff --git a/app/src/main/res/values-de-rDE/strings.xml b/app/src/main/res/values-de-rDE/strings.xml
new file mode 100644
index 0000000..7ff8ee3
--- /dev/null
+++ b/app/src/main/res/values-de-rDE/strings.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">WebLauncher</string>
+    <string name="action_settings">Einstellungen</string>
+    <string name="title_activity_settings">Einstellungen</string>
+    <string name="about">Über</string>
+    <string name="title_launch_on_start">Autostart aktivieren</string>
+    <string name="title_lock_screen_on">Sperrbildschirm ein</string>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 52cc8d0..ad73254 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,12 +1,13 @@
 <resources>
     <string name="app_name">WebLauncher</string>
 
-    <string name="dummy_button">Dummy Button</string>
-    <string name="dummy_content">DUMMY\nCONTENT</string>
+    <string name="dummy_button" translatable="false">Dummy Button</string>
+    <string name="dummy_content" translatable="false">DUMMY\nCONTENT</string>
     <string name="action_settings">Settings</string>
-    <string name="default_url">https://www.hardill.me.uk/wordpress/2016/11/25/auto-launch-webpages-full-screen-on-android/</string>
+    <string name="default_url" translatable="false">https://www.hardill.me.uk/wordpress/2016/11/25/auto-launch-webpages-full-screen-on-android/</string>
     <string name="title_activity_settings">Settings</string>
-
+    <string name="title_launch_on_start">Launch on Start</string>
+    <string name="title_lock_screen_on">Lock screen on</string>
     <string name="about">About</string>
     <string name="about_html">&lt;html&gt;
 &lt;body&gt;
diff --git a/app/src/main/res/xml/preferences.xml b/app/src/main/res/xml/preferences.xml
index 239caaa..055d550 100644
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@@ -10,10 +10,10 @@
         android:icon="@android:drawable/sym_action_chat" />
     <CheckBoxPreference
         android:defaultValue="false"
-        android:title="Launch on Start"
+        android:title="@string/title_launch_on_start"
         android:key="launch_on_start" />
     <CheckBoxPreference
         android:defaultValue="false"
-        android:title="Lock screen on"
+        android:title="@string/title_lock_screen_on"
         android:key="screen_lock" />
 </PreferenceScreen>
\ No newline at end of file