use consistent email address for Tim
diff --git a/Doc/lib/libweakref.tex b/Doc/lib/libweakref.tex
index 4600f0a..12a1220 100644
--- a/Doc/lib/libweakref.tex
+++ b/Doc/lib/libweakref.tex
@@ -229,7 +229,7 @@
 remain alive, but the objects can still be retrieved by ID if they
 do.
 
-% Example contributed by Tim Peters <tim_one@msn.com>.
+% Example contributed by Tim Peters.
 \begin{verbatim}
 import weakref