diff --git a/django/contrib/admin/templates/admin/base.html b/django/contrib/admin/templates/admin/base.html
index 9c79a4e698..d93128a140 100644
--- a/django/contrib/admin/templates/admin/base.html
+++ b/django/contrib/admin/templates/admin/base.html
@@ -26,8 +26,10 @@
         </div>
         {% if user.is_active and user.is_staff %}
         <div id="user-tools">
-            {% trans 'Welcome,' %}
-            <strong>{% firstof user.get_short_name user.get_username %}</strong>.
+            {% block welcome-msg %}
+                {% trans 'Welcome,' %}
+                <strong>{% firstof user.get_short_name user.get_username %}</strong>.
+            {% endblock %}
             {% block userlinks %}
                 {% url 'django-admindocs-docroot' as docsroot %}
                 {% if docsroot %}