fixed

www/index.html

@@ -117,7 +117,7 @@
             <div class="modal-body autodoc_home_modal_body">
               <div class="row">
                 <div class="col-1 autodoc_valign">
-                  <i class="fa-chevron-circle-left"></i>
+                  <i class="fa fa-chevron-circle-left"></i>
                 </div>
                 <div class="col">
                   <img class="img-fluid" id="autodoc_home_modal_img"/>