diff --git a/themes/grav/templates/partials/users-details.html.twig b/themes/grav/templates/partials/users-details.html.twig
index f648e378..bb6b0a48 100644
--- a/themes/grav/templates/partials/users-details.html.twig
+++ b/themes/grav/templates/partials/users-details.html.twig
@@ -1,6 +1,7 @@
 {% if user.exists %}
 <div class="user-details">
     <img src="http://www.gravatar.com/avatar/{{ user.email|md5 }}?s=128" />
+    <p class="gravatar">Avatar by <a href="http://gravatar.com" target="_blank">gravatar.com</a></p>
     <h2>{{ user.fullname }}</h2>
     {% if user.title %}<h5>{{ user.title }}</h5>{% endif %}
 </div>