Fix pythonxy link

INSTALL

@@ -6,21 +6,21 @@
 Installing
 **********
 
-There are many different ways to install matplotlib, and the best
-way depends on what operating system you are using, what you already
-have installed, and how you want to use it.  To avoid wading through
-all the details (and potential complications) on this page, the
-easiest thing for you to do is use one of the pre-packaged python
+There are many different ways to install matplotlib, and the best way
+depends on what operating system you are using, what you already have
+installed, and how you want to use it.  To avoid wading through all
+the details (and potential complications) on this page, the easiest
+thing for you to do is use one of the pre-packaged python
 distributions that already provide matplotlib built-in.  The Enthought
 Python Distribution `(EPD)
 <http://www.enthought.com/products/epd.php>`_ for Windows, OS X or
 Redhat is an excellent choice that "just works" out of the box.
 Another excellent alternative for Windows users is `Python (x, y)
-<http://www.pythonxy.com/foreword.php>`_ which tends to be updated a
-bit more frequently.  Both of these packages include matplotlib and
-pylab, and *lots* of other useful tools.  matplotlib is also packaged
-for almost every major Linux distribution. So if you are on Linux,
-your package manager will probably provide matplotlib prebuilt.
+<http://www.pythonxy.com/>`_ which tends to be updated a bit more
+frequently.  Both of these packages include matplotlib and pylab, and
+*lots* of other useful tools.  matplotlib is also packaged for almost
+every major Linux distribution. So if you are on Linux, your package
+manager will probably provide matplotlib prebuilt.
 
 
 Manually installing pre-built packages
@@ -254,4 +254,3 @@ can get the libpng and freetype requirements (darwinports, fink,
 the different OSX version (e.g., 10.4 and 10.5). We recommend that you build
 the way we do for the OSX release: get the source from the tarball or the
 git repository and follow the instruction in :file:`README.osx`.
-