diff --git a/app/node_views/results.html b/app/node_views/results.html
index 2f7c32a..a22f0cb 100644
--- a/app/node_views/results.html
+++ b/app/node_views/results.html
@@ -639,6 +639,7 @@
                                     <div class="icon-question" ng-click="domainsTooltip = true"></div>
                                     <modal-dialog show="domainsTooltip" dialog-title="Reduce the number of domains">
                                         <p>For each domain met, the browser needs to make a DNS look-up, which is slow. Avoid having to many different domains and the page should render faster.</p>
+                                        <p>By the way, domain sharding is not a good practice anymore.</p>
                                     </modal-dialog>
                                 </div>
                             </div>