Fix typo in link

Author: hroncok

templates/index.html

@@ -47,7 +47,7 @@ <h2>{{ point.name }}</h2>
 
             [CC BY-SA]: https://creativecommons.org/licenses/by-sa/4.0/legalcode
             [Fedora Python SIG]: https://fedoraproject.org/wiki/SIGs/Python
-            [MIT]: https://github.com/lancaster-university/microbit-docs/blob/master/LICENSE.
+            [MIT]: https://github.com/lancaster-university/microbit-docs/blob/master/LICENSE
         {% endfilter %}
       </p>
     </footer>