Fix broken links

Change-Id: Ic73d43db6a1dc76a4c454c983ada1fd9276f67df
Reviewed-on: https://asterix-gerrit.ics.uci.edu/1450
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/docs/0.8.8-incubating/yarn.html b/docs/0.8.8-incubating/yarn.html
index df20c35..b9c78a7 100644
--- a/docs/0.8.8-incubating/yarn.html
+++ b/docs/0.8.8-incubating/yarn.html
@@ -276,7 +276,7 @@
     Bringing machine 'cc' up with 'virtualbox' provider...
     ...
 </pre></div></div>
-<p>Once vagrant returns, the environment will be ready. The working directory with the Vagrantfile is also visible to each of the virtual machines (in the /vagrant directory), so we will unzip the Asterix binaries here as well for easy access. The YARN binary can be found on the AsterixDB <a class="externalLink" href="http://asterixdb.ics.uci.edu/download.html">downloads page</a></p>
+<p>Once vagrant returns, the environment will be ready. The working directory with the Vagrantfile is also visible to each of the virtual machines (in the /vagrant directory), so we will unzip the Asterix binaries here as well for easy access. The YARN binary can be found on the AsterixDB <a class="externalLink" href="https://asterixdb.apache.org/download.html">downloads page</a></p>
 
 <div class="source">
 <div class="source">