diff --git a/core/modules/image/templates/image-widget.html.twig b/core/modules/image/templates/image-widget.html.twig
index 567e295..5435e5e 100644
--- a/core/modules/image/templates/image-widget.html.twig
+++ b/core/modules/image/templates/image-widget.html.twig
@@ -20,6 +20,7 @@
     </div>
   {% endif %}
   <div class="image-widget-data">
+    {# Render widget data without the image preview that was output already. #}
     {{ data|without('preview') }}
   </div>
 </div>