Rename LICENSE variable

templates/footer.html

@@ -4,8 +4,8 @@
         {% if SITESUBTITLE %}
         <li class="elegant-subtitle"><span class="site-name">{{ SITENAME }}</span> - {{ SITESUBTITLE }}</li>
         {% endif %}
-        {% if ELEGANT_LICENSE %}
-        <li class="elegant-license">{{ ELEGANT_LICENSE }}</li>
+        {% if SITE_LICENSE %}
+        <li class="elegant-license">{{ SITE_LICENSE }}</li>
         {% endif %}
         <li class="elegant-power">Powered by <a href="http://getpelican.com/" title="Pelican Home Page">Pelican</a> and <a href="https://github.com/talha131/pelican-elegant" title="Elegant theme Home Page">Elegant theme</a> by <a href="http://oncrashreboot.com" title="Talha Mansoor Home Page">Talha Mansoor</a></li>
     </ul>