diff --git a/docs/cookbook.md b/docs/cookbook.md
index 7b96c8c1..e20467d7 100644
--- a/docs/cookbook.md
+++ b/docs/cookbook.md
@@ -124,7 +124,7 @@ while True:                 # Event Loop
 window.Close()
 ```
 
-<iframe height="800px" width="100%" src="https://repl.it/@PySimpleGUI/Design-Pattern-2B-Persistent-Window-with-Updates?lite=false" scrolling="no" frameborder="no" allowtransparency="true" allowfullscreen="true" sandbox="allow-forms allow-pointer-lock allow-popups allow-same-origin allow-scripts allow-modals"></iframe>
+<iframe height="600px" width="100%" src="https://repl.it/@PySimpleGUI/Cookbook-Design-Pattern-2B-on-tkinter?lite=true" scrolling="no" frameborder="no" allowtransparency="true" allowfullscreen="true" sandbox="allow-forms allow-pointer-lock allow-popups allow-same-origin allow-scripts allow-modals"></iframe>
 
 
 # Simple Data Entry - Return Values As List      
@@ -1549,9 +1549,9 @@ That's all... Run your `my_program.exe` file on the Windows machine of your choo
       
 Your EXE file should run without creating a "shell window".  Only the GUI window should show up on your taskbar.
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