Update zip file location

Author: davidhassell

docs/tutorial.html

@@ -357,7 +357,7 @@ <h3>Related Topics</h3>
 <span id="id2"></span><h2><a class="toc-backref" href="#id387" role="doc-backlink"><strong>Sample datasets</strong></a><a class="headerlink" href="#sample-datasets" title="Link to this heading">¶</a></h2>
 <p>This tutorial uses a number of small sample datasets, all of which can
 be found in the zip file <code class="docutils literal notranslate"><span class="pre">cf_tutorial_files.zip</span></code>
-(<a class="reference download internal" download="" href="_downloads/662a6146f847a4d1c19d523d3f30e1cc/cf_tutorial_files.zip"><code class="xref download docutils literal notranslate"><span class="pre">download</span></code></a>,
+(<a class="reference download internal" download="" href="_downloads/cf_tutorial_files.zip"><code class="xref download docutils literal notranslate"><span class="pre">download</span></code></a>,
 164kB):</p>
 <div class="literal-block-wrapper docutils container" id="id120">
 <div class="code-block-caption"><span class="caption-text"><em>Unpack the sample datasets.</em></span><a class="headerlink" href="#id120" title="Link to this code">¶</a></div>
@@ -10120,4 +10120,4 @@ <h3><a class="toc-backref" href="#id515" role="doc-backlink">Curl</a><a class="h
 
 
   </body>
-</html>
+</html>