corrected license title and added link

roomlist/templates/index.html

@@ -13,7 +13,7 @@ GMU RoomList • Homepage
         <h1 class="text-center"><strong>GMU</strong>&#8203;ROOMLIST</h1>
         <p class="text-center">Find your on-campus neighbors.</p>
       </div>
-      <img alt="Creative Commons License" style="border-width:0" src="https://licensebuttons.net/l/by-nc/2.0/80x15.png" title="North Section of President's Park Dorms by Flickr user cgs_gmu2005 is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License."/>
+      <a href="https://creativecommons.org/licenses/by-nc/2.0/" target="_blank"><img alt="Creative Commons License" style="border-width:0" src="https://licensebuttons.net/l/by-nc/2.0/80x15.png" title="North Section of President's Park Dorms by Flickr user cgs_gmu2005 is licensed under a Creative Commons Attribution-NonCommercial 2.0 Generic License."/></a>
     </div>
   </div>
 </div>