diff --git a/Doc/ext/newtypes.tex b/Doc/ext/newtypes.tex
index 6ae9f09f41f3..d377866e43af 100644
--- a/Doc/ext/newtypes.tex
+++ b/Doc/ext/newtypes.tex
@@ -1,6 +1,6 @@
 \chapter{Defining New Types
         \label{defining-new-types}}
-\sectionauthor{Michael Hudson}{mwh21@cam.ac.uk}
+\sectionauthor{Michael Hudson}{mwh@python.net}
 \sectionauthor{Dave Kuhlman}{dkuhlman@rexx.com}
 
 As mentioned in the last chapter, Python allows the writer of an