diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index d64300ebe1e..814ef0eba8f 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -4087,7 +4087,7 @@ be useful.
 
 \chapter{Floating Point Arithmetic:  Issues and Limitations
          \label{fp-issues}}
-\sectionauthor{Tim Peters}{tim_one@msn.com}
+\sectionauthor{Tim Peters}{tim.one@home.com}
 
 Floating-point numbers are represented in computer hardware as
 base 2 (binary) fractions.  For example, the decimal fraction
@@ -4253,7 +4253,6 @@ supply flexible and easy ways to round float results for display.
 
 \section{Representation Error
          \label{fp-error}}
-\sectionauthor{Guido van Rossum}{guido@python.org}
 
 This section explains the ``0.1'' example in detail, and shows how
 you can perform an exact analysis of cases like this yourself.  Basic