Removed old signature.
diff --git a/Demo/README b/Demo/README
index bb3d286..c2e775a 100644
--- a/Demo/README
+++ b/Demo/README
@@ -49,7 +49,3 @@
 
 tkinter		Demos using the Tk interface (including Matt Conway's
 		excellent set of demos).
-
-
---Guido van Rossum, CWI, Amsterdam <mailto:Guido.van.Rossum@cwi.nl>
-<http://www.cwi.nl/cwi/people/Guido.van.Rossum.html>