diff --git a/core/lib/Drupal/Core/Render/Element/Details.php b/core/lib/Drupal/Core/Render/Element/Details.php
index 23fa645..c77493e 100644
--- a/core/lib/Drupal/Core/Render/Element/Details.php
+++ b/core/lib/Drupal/Core/Render/Element/Details.php
@@ -3,6 +3,7 @@
 namespace Drupal\Core\Render\Element;
 
 use Drupal\Core\Render\Element;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
 
 /**
  * Provides a render element for a details element, similar to a fieldset.
@@ -92,14 +93,7 @@ public static function preRenderDetails($element) {
     // Indicate that there is a child element with an error.
     if (!empty($element['#children_errors'])) {
       $element['#attributes']['class'][] = 'details--child-error';
-      $element['#title'] = \Drupal::translation()->formatPlural(
-        count($element['#children_errors']),
-        '@title <span class="visually-hidden child-error-indicator">(contains error)</span>',
-        '@title <span class="visually-hidden child-error-indicator">(contains @count errors)</span>',
-        [
-          '@title' => $element['#title']
-        ]
-      );
+      $element['#title'] = new TranslatableMarkup('@title <span class="visually-hidden child-error-indicator">(contains error)</span>', ['@title' => $element['#title']]);
     }
 
     return $element;
diff --git a/core/modules/node/tests/src/Functional/NodeEditFormTest.php b/core/modules/node/tests/src/Functional/NodeEditFormTest.php
index 06604b3..d171227 100644
--- a/core/modules/node/tests/src/Functional/NodeEditFormTest.php
+++ b/core/modules/node/tests/src/Functional/NodeEditFormTest.php
@@ -132,8 +132,8 @@ public function testNodeEdit() {
     // Only one extra details element should now be open.
     $open_details_count++;
     $this->assertEqual(count($open_details), $open_details_count, 'Exactly one extra open &lt;details&gt; element found.');
-    // The details summary should indicate the amount of child element errors.
-    $web_assert->elementTextContains('css', 'details.node-form-author .child-error-indicator', '(contains 3 errors)');
+    // The details summary should indicate that there is an error.
+    $web_assert->elementTextContains('css', 'details.node-form-author .child-error-indicator', '(contains error)');
 
     // Edit the same node, save it and verify it's unpublished after unchecking
     // the 'Published' boolean_checkbox and clicking 'Save'.