diff --git a/core/misc/announce.js b/core/misc/announce.js
index 4d29df5..0f10748 100644
--- a/core/misc/announce.js
+++ b/core/misc/announce.js
@@ -34,7 +34,7 @@
    *   Attaches the behavior for drupalAnnouce.
    */
   Drupal.behaviors.drupalAnnounce = {
-    attach: function () {
+    attach: function (context) {
       // Create only one aria-live element.
       if (!liveElement) {
         liveElement = document.createElement('div');
diff --git a/core/modules/system/templates/status-messages.html.twig b/core/modules/system/templates/status-messages.html.twig
index 243df6e..e8f64e0 100644
--- a/core/modules/system/templates/status-messages.html.twig
+++ b/core/modules/system/templates/status-messages.html.twig
@@ -24,25 +24,26 @@
  */
 #}
 <div data-drupal-messages>
-    {% for type, messages in message_list %}
-    <div role="contentinfo"
-         aria-label="{{ status_headings[type] }}"{{ attributes|without('role', 'aria-label') }}>
-        {% if type == 'error' %}
-        <div role="alert">
-            {% endif %}
-            {% if status_headings[type] %}
-                <h2 class="visually-hidden">{{ status_headings[type] }}</h2>
-            {% endif %}
-            {% if messages|length > 1 %}
-                <ul>
-                    {% for message in messages %}
-                        <li>{{ message }}</li>
-                    {% endfor %}
-                </ul>
-            {% else %}
-                {{ messages|first }}
-            {% endif %}
-        </div>
+{% for type, messages in message_list %}
+  <div role="contentinfo" aria-label="{{ status_headings[type] }}"{{ attributes|without('role', 'aria-label') }}>
+    {% if type == 'error' %}
+      <div role="alert">
+    {% endif %}
+    {% if status_headings[type] %}
+      <h2 class="visually-hidden">{{ status_headings[type] }}</h2>
+    {% endif %}
+    {% if messages|length > 1 %}
+      <ul>
+        {% for message in messages %}
+          <li>{{ message }}</li>
         {% endfor %}
-    </div>
-</div>
\ No newline at end of file
+      </ul>
+    {% else %}
+      {{ messages|first }}
+    {% endif %}
+    {% if type == 'error' %}
+      </div>
+    {% endif %}
+  </div>
+{% endfor %}
+</div>
diff --git a/core/themes/classy/templates/misc/status-messages.html.twig b/core/themes/classy/templates/misc/status-messages.html.twig
index c635a58..0d059f3 100644
--- a/core/themes/classy/templates/misc/status-messages.html.twig
+++ b/core/themes/classy/templates/misc/status-messages.html.twig
@@ -54,4 +54,4 @@
   {% set attributes = attributes.removeClass(classes) %}
 {% endfor %}
 {% endblock messages %}
-</div>
\ No newline at end of file
+</div>