diff --git a/Demo_Design_Pattern_Persistent_Window.py b/Demo_Design_Pattern_Persistent_Window.py
index ff108e4b..a89f495a 100644
--- a/Demo_Design_Pattern_Persistent_Window.py
+++ b/Demo_Design_Pattern_Persistent_Window.py
@@ -1,23 +1,23 @@
-# -------------------------------------#
-# DESIGN PATTERN 2 - Persistent Window #
-# Update a text field based on input   #
-# -------------------------------------#
 import sys
+
 if sys.version_info[0] >= 3:
     import PySimpleGUI as sg
 else:
     import PySimpleGUI27 as sg
 
-layout = [[sg.Text('Your typed chars appear here:'), sg.Text('', key='_OUTPUT_') ],
-          [sg.Input(key='_IN_')],
+layout = [[sg.Text('Your typed chars appear here:'), sg.Text('', key='_OUTPUT_')],
+          [sg.Input(do_not_clear=True, key='_IN_')],
           [sg.Button('Show'), sg.Button('Exit')]]
 
 window = sg.Window('Window Title').Layout(layout)
 
-while True:                 # Event Loop
+while True:  # Event Loop
     event, values = window.Read()
+    print(event, values)
     if event is None or event == 'Exit':
         break
     if event == 'Show':
-        # change the "output" element to be the value of "input" element
+        # change the "output" element to be the value of "input" element  
         window.FindElement('_OUTPUT_').Update(values['_IN_'])
+
+window.Close()