updating link from download

index.html

@@ -365,7 +365,7 @@
           </div>
         </div>
 
-        <a href="https://fortawesome.com/?utm_source=font_awesome_homepage&utm_medium=display&utm_content=download_modal&utm_campaign=promo_5.0_update" class="btn btn-success btn-lg btn-block">
+        <a href="https://fortawesome.com/start?utm_source=font_awesome_homepage&utm_medium=display&utm_content=download_modal&utm_campaign=promo_5.0_update" class="btn btn-success btn-lg btn-block">
           Take your icon game <br class="visible-xs" />to the next level with
           <h2 class="margin-top-sm margin-bottom-sm hidden-xs"><i class="fas fas-fort-logo fas-lg valign-baseline"></i>&nbsp; Fort Awesome</h2>
           <h3 class="margin-top-sm margin-bottom-sm visible-xs"><i class="fas fas-fort-logo fas-lg valign-baseline"></i>&nbsp; Fort Awesome</h3>