Update URL.
diff --git a/Doc/lib/tkinter.tex b/Doc/lib/tkinter.tex
index 50108d6..e0c613f 100644
--- a/Doc/lib/tkinter.tex
+++ b/Doc/lib/tkinter.tex
@@ -1838,7 +1838,7 @@
 and GUI elements, simply by taking existing controls, and creating a
 derived class which simply adds or redefines the desired behavior.
 }
-\seetitle[http://www.daa.com.au/\textasciitilde james/pygtk/]{PyGTK}{
+\seetitle[http://www.daa.com.au/\textasciitilde james/software/pygtk/]{PyGTK}{
 is a set of bindings for the \ulink{GTK}{http://www.gtk.org/} widget set.
 It provides an object oriented interface that is slightly higher
 level than the C one. It automatically does all the type casting and