/usr/local/bin/python -> /usr/bin/env python
diff --git a/Demo/tkinter/www/www3.py b/Demo/tkinter/www/www3.py
index eb8b07f..e1b1bc5 100755
--- a/Demo/tkinter/www/www3.py
+++ b/Demo/tkinter/www/www3.py
@@ -1,4 +1,4 @@
-#! /usr/local/bin/python
+#! /usr/bin/env python
 
 # www3.py -- print the contents of a URL on stdout
 # - error checking