updated index.html

updated anaconda link and removed canopy and pythonxy

index.html

@@ -55,14 +55,11 @@ <h2>
 <p>
 Notebooks can be run after you install Python and the appropriate packages.
 The easiest way to do this is to install an installer that includes Python and a set of the most popular packages.
-The Notebooks listed here are for Python 3.X. They probably run on Python 2.
-The three main options for Python distributions with-batteries-included are
-<a href="https://store.continuum.io/cshop/anaconda/">Anaconda</a> (Mac, Windows, Linux),
-<a href="https://store.enthought.com">Canopy Express</a> (Mac, Windows, Linux),
-and <a href="http://python-xy.github.io">PythonXY</a> (Windows).
-All these Notebooks were developed with Anaconda. After installing Anaconda, start the Navigator and then launch the Jupyter Notebook, which will open
+The most popular distribution is
+<a href="https://www.anaconda.com/products/individual">Anaconda</a> (Mac, Windows, Linux),
+All the Notebooks on this webiste were developed with Anaconda. After installing Anaconda, start the Navigator and then launch the Jupyter Notebook, which will open
 the Jupyter Notebook dashboard in your webbrowser (starting in your Documents folder on Windows and your home directory on a Mac).
-Use the dashboard to surf to the directory where you stored your Notebooks (you can onely surf to lower directories not higher directories) and click on
+Use the dashboard to surf to the directory where you stored your Notebooks (you can only surf to lower directories not higher directories) and click on
 the one you want to open.
 </p>