Correct the example notebook link to What is the IPython Notebook?

examples/Notebook/Index.ipynb

@@ -1,85 +1,85 b''
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:fe084460e647ed671f6335e872a6b8e83a00f03dd2c1c47122f99e1218164cf4"
+  "signature": "sha256:5a3c5ebae9154e13957e7c9d28bd3b7697c4b14f965482feb288d2cdf078983e"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
  "worksheets": [
   {
    "cells": [
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "<img src=\"../images/ipython_logo.png\">"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "Back to the main [Index](../Index.ipynb)"
      ]
     },
     {
      "cell_type": "heading",
      "level": 1,
      "metadata": {},
      "source": [
       "Notebook"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "The IPython Notebook is a web-based interactive computing system that enables users to author documents that include live code, narrative text, LaTeX equations, HTML, images and video. These documents contain a full record of a computation and its results and can be shared on email, [Dropbox](http://dropbox.com), version control systems (like git/[GitHub](http://github.com)) or [nbviewer.ipython.org](http://nbviewer.ipython.org)."
      ]
     },
     {
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
      "source": [
       "Tutorials"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "* [What is the IPython Notebook?](What is the IPython Notebook%3F.ipynb)\n",
+      "* [What is the IPython Notebook](What is the IPython Notebook.ipynb)\n",
       "* [Running the Notebook Server](Running the Notebook Server.ipynb)\n",
       "* [Notebook Basics](Notebook Basics.ipynb)\n",
       "* [Running Code](Running Code.ipynb)\n",
       "* [Working With Markdown Cells](Working With Markdown Cells.ipynb)\n",
       "* [Custom Keyboard Shortcuts](Custom Keyboard Shortcuts.ipynb)\n",
       "* [JavaScript Notebook Extensions](JavaScript Notebook Extensions.ipynb)\n",
       "* [Notebook Security](Notebook Security.ipynb)\n",
       "* [Converting Notebooks With nbconvert](Converting Notebooks With nbconvert.ipynb)\n",
       "* [Using nbconvert as a Library](Using nbconvert as a Library.ipynb)"
      ]
     },
     {
      "cell_type": "heading",
      "level": 2,
      "metadata": {},
      "source": [
       "Examples"
      ]
     },
     {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
       "* [Importing Notebooks](Importing Notebooks.ipynb)\n",
       "* [Connecting with the Qt Console](Connecting with the Qt Console.ipynb)\n",
       "* [Typesetting Equations](Typesetting Equations.ipynb)"
      ]
     }
    ],
    "metadata": {}
   }
  ]
 }
  No newline at end of file