diff --git a/templates/files.html b/templates/files.html
index 1985036..67e4de5 100644
--- a/templates/files.html
+++ b/templates/files.html
@@ -327,5 +327,11 @@
         $('#viewer_del').on('click', function() { DelDBox('Restore') } )
     }
 
+    if( isMobile() )
+    {
+        $('#shift-key').css('visibility', 'visible');
+        $('#ctrl-key').css('visibility', 'visible');
+    }
+
 </script>
 {% endblock script_content %}