Update for beta1

Doc/whatsnew/whatsnew24.tex

@@ -21,8 +21,8 @@
 \maketitle
 \tableofcontents
 
-This article explains the new features in Python 2.4 alpha3, scheduled
-for release in early September.  The final version of Python 2.4 is
+This article explains the new features in Python 2.4 beta1, scheduled
+for release in mid-October.  The final version of Python 2.4 is
 expected to be released around December 2004.
 
 Python 2.4 is a medium-sized release.  It doesn't introduce as many
@@ -376,7 +376,7 @@ in tracebacks, so decorators should change the name of any new
 function that's constructed and returned.
 
 The new syntax was provisionally added in 2.4alpha2, and is subject to
-change during the 2.4alpha release cycle depending on the Python
+change during the 2.4beta release cycle depending on the Python
 community's reaction.  Post-2.4 versions of Python will preserve
 compatibility with whatever syntax is used in 2.4final.