2.12 download link naming

Author: johnmay

src/index.html

@@ -97,7 +97,7 @@ <h2>Chemistry Development Kit</h2>
          <br><br>
         </span>
         <a target="download" class="scroll btn mx-2 btn-outline-warning btn-white">
-         <i class="fa fa-download"></i> Download v2.11
+         <i class="fa fa-download"></i> Download v2.12
         </a>
       </p>
     </div>