diff --git a/IPDingGUI.py b/IPDingGUI.py
index d7a988e..b40a638 100644
--- a/IPDingGUI.py
+++ b/IPDingGUI.py
@@ -279,3 +279,7 @@ class App(tk.Tk):
 
 if __name__ == "__main__":
     App().mainloop()
+
+## https://git.mediakor.com/Atlaskor/DingerPingerPython/src/branch/main
+## Script written by Donnie Pritchard
+## atlaskor@mediakor.com