Fix Facebook page link name

Author: jackycute

public/views/index.ejs

@@ -145,7 +145,7 @@
                             <iframe src="//ghbtns.com/github-btn.html?user=hackmdio&repo=hackmd&type=star&count=true" frameborder="0" scrolling="0" width="104px" height="20px"></iframe>
                         </h6>
                         <p>
-                            &copy; 2016 <a href="https://www.facebook.com/TakeHackMD" target="_blank"><i class="fa fa-facebook-square"></i> HackMD</a> | <a href="<%- url %>/s/release-notes" target="_blank"><%= __('Releases') %></a>
+                            &copy; 2016 <a href="https://www.facebook.com/hackmdio" target="_blank"><i class="fa fa-facebook-square"></i> HackMD</a> | <a href="<%- url %>/s/release-notes" target="_blank"><%= __('Releases') %></a>
                         </p>
                         <select class="ui-locale">
                             <option value="en">English</option>