Fix changelog link

Author: jim-parry

docs/changelogs/index.html

@@ -226,7 +226,7 @@ <h2>Version 4.0.0-alpha.5<a class="headerlink" href="#version-4-0-0-alpha-5" tit
 <li>lots of bug fixes</li>
 <li>code coverage is up to 78%</li>
 </ul>
-<p><a class="reference internal" href="next.html"><span class="doc">See all the changes.</span></a></p>
+<p><a class="reference internal" href="v4.0.0-alpha.5.html"><span class="doc">See all the changes.</span></a></p>
 </div>
 <div class="section" id="version-4-0-0-alpha-4">
 <h2>Version 4.0.0-alpha.4<a class="headerlink" href="#version-4-0-0-alpha-4" title="Permalink to this headline">¶</a></h2>
@@ -377,4 +377,4 @@ <h2>Version 4.0.0-alpha.1<a class="headerlink" href="#version-4-0-0-alpha-1" tit
 
 
 </body>
-</html>
+</html>