Fix footer link

_includes/footer.html

@@ -57,7 +57,7 @@
 
     <div class="col-sm-4 mb-3 d-flex justify-content-center">
       <i class="far fa-address-card fa-2x"></i>
-      <a href="/contact/">About Us &amp; Contact</a>
+      <a href="/about/">About Us &amp; Contact</a>
     </div>
 
     <div class="col-sm-4 mb-3 d-flex justify-content-center">