Fix a link -- there is no starship.python.org!
diff --git a/Doc/doc/doc.tex b/Doc/doc/doc.tex
index f67ba37..d372dcf 100644
--- a/Doc/doc/doc.tex
+++ b/Doc/doc/doc.tex
@@ -224,7 +224,7 @@
fairly cohesive module libraries. Examples of the later use include
the standard \citetitle[../mac/mac.html]{Macintosh Library Modules}
and
-\citetitle[http://starship.python.org/crew/fdrake/manuals/krb5py/krb5py.html]{Using
+\citetitle[http://starship.python.net/crew/fdrake/manuals/krb5py/krb5py.html]{Using
Kerberos from Python}, which contains reference material for an
extension package. These documents are roughly equivalent to a
single chapter from a larger work.