diff --git a/Resources/Settings.bundle/Root.plist b/Resources/Settings.bundle/Root.plist
index cb169f8..a2355f1 100644
--- a/Resources/Settings.bundle/Root.plist
+++ b/Resources/Settings.bundle/Root.plist
@@ -21,6 +21,8 @@
 		<dict>
 			<key>Type</key>
 			<string>PSGroupSpecifier</string>
+			<key>FooterText</key>
+			<string>Apple Acknowledgement</string>
 		</dict>
 		<dict>
 			<key>Type</key>
diff --git a/Resources/Settings.bundle/en.lproj/Root.strings b/Resources/Settings.bundle/en.lproj/Root.strings
index 89eed99..11ce8e4 100644
--- a/Resources/Settings.bundle/en.lproj/Root.strings
+++ b/Resources/Settings.bundle/en.lproj/Root.strings
@@ -1,4 +1,5 @@
-/* A single strings file, whose title is specified in your preferences schema. The strings files provide the localized content to display to the user for each of your preferences. */
+/* A single strings file, whose title is specified in your preferences schema. The strings files provide the localized content to display to the user for each of your preferences. */
 
 "Version Info" = "Version Info";
 "Acknowledgements" = "Acknowledgements";
+"Apple Acknowledgement" = "This app contains code derived from Apple sample code: https://developer.apple.com/library/archive/samplecode/SimpleTunnel/Introduction/Intro.html";
diff --git a/Resources/Settings.bundle/nl.lproj/Root.strings b/Resources/Settings.bundle/nl.lproj/Root.strings
index c805216..306b7d1 100644
--- a/Resources/Settings.bundle/nl.lproj/Root.strings
+++ b/Resources/Settings.bundle/nl.lproj/Root.strings
@@ -1,5 +1,6 @@
-/* A single strings file, whose title is specified in your preferences schema. The strings files provide the localized content to display to the user for each of your preferences. */
+/* A single strings file, whose title is specified in your preferences schema. The strings files provide the localized content to display to the user for each of your preferences. */
 
 "Version Info" = "Versie informatie";
 "Acknowledgements" = "Licenties";
+"Apple Acknowledgement" = "Deze app bevat code afgeleid van Apple voorbeeld code: https://developer.apple.com/library/archive/samplecode/SimpleTunnel/Introduction/Intro.html";