change text of tab linking to main CC page

Author: mathemancer

templates/layout.html

@@ -86,7 +86,7 @@
                   </div>
                 </li>
                 <li class="nav-item">
-                  <a class="nav-link" href="https://creativecommons.org" target="_blank">CC.org</a>
+                  <a class="nav-link" href="https://creativecommons.org" target="_blank">creativecommons.org</a>
                 </li>
               </ul>
           </nav>