diff -r 14c979556d43 Doc/howto/functional.rst
--- a/Doc/howto/functional.rst	Wed Nov 23 10:44:52 2011 -0600
+++ b/Doc/howto/functional.rst	Wed Nov 23 15:57:52 2011 -0500
@@ -1274,15 +1274,16 @@
 ---------------
 
 http://gnosis.cx/TPiP/: The first chapter of David Mertz's book
-:title-reference:`Text Processing in Python` discusses functional programming
-for text processing, in the section titled "Utilizing Higher-Order Functions in
-Text Processing".
+:title-reference:`Text Processing in Python` discusses functional
+programming for text processing, in the section titled "Utilizing
+Higher-Order Functions in Text Processing".  Note that this book was
+written in 2003 and uses Python 2.2.
 
 Mertz also wrote a 3-part series of articles on functional programming
-for IBM's DeveloperWorks site; see
-`part 1 <http://www-128.ibm.com/developerworks/library/l-prog.html>`__,
-`part 2 <http://www-128.ibm.com/developerworks/library/l-prog2.html>`__, and
-`part 3 <http://www-128.ibm.com/developerworks/linux/library/l-prog3.html>`__,
+in Python 2.x for IBM's DeveloperWorks site; see
+`part 1 <http://www.ibm.com/developerworks/linux/library/l-prog/>`__,
+`part 2 <http://www.ibm.com/developerworks/linux/library/l-prog2/>`__, and
+`part 3 <http://www.ibm.com/developerworks/linux/library/l-prog3/>`__,
 
 
 Python documentation