diff --git a/automatic_updates_extensions/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php b/automatic_updates_extensions/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php
index 40b18ef02b37543f45e96f14270382a6e07be469..fd1823f684fc920cbcfaffee1ff58395211536dc 100644
--- a/automatic_updates_extensions/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php
+++ b/automatic_updates_extensions/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php
@@ -93,7 +93,7 @@ class StatusCheckerRunAfterUpdateTest extends UpdaterFormTestBase {
       $this->drupalGet('/admin');
       // Confirm that the status checks were run and the new error is displayed.
       $assert_session->statusMessageContains('Error before continue.', 'error');
-      $assert_session->statusMessageContains(static::$errorsExplanation, 'error');
+      $assert_session->statusMessageContains('Your site does not pass some readiness checks for automatic updates. It cannot be automatically updated until further action is performed.', 'error');
       $assert_session->pageTextNotContains('Your site has not recently run an update readiness check. Rerun readiness checks now.');
     }
   }
diff --git a/automatic_updates_extensions/tests/src/Functional/UnsuccessfulUpdateTest.php b/automatic_updates_extensions/tests/src/Functional/UnsuccessfulUpdateTest.php
index c9cc155eac2e231ff2721ca11d104c4bb6037301..fd7cc715c8f5c022061d792a11bda54278eb6384 100644
--- a/automatic_updates_extensions/tests/src/Functional/UnsuccessfulUpdateTest.php
+++ b/automatic_updates_extensions/tests/src/Functional/UnsuccessfulUpdateTest.php
@@ -36,7 +36,8 @@ class UnsuccessfulUpdateTest extends UpdaterFormTestBase {
     $assert->pageTextNotContains(static::$errorsExplanation);
     $assert->elementExists('css', '#edit-projects-semver-test')->check();
     $assert->checkboxChecked('edit-projects-semver-test');
-    $assert->pageTextContains(static::$warningsExplanation);
+    // No explanation is given for warnings.
+    $assert->pageTextNotContains(static::$warningsExplanation);
     $assert->buttonExists('Update');
 
     // Add warnings from StatusCheckEvent.
diff --git a/automatic_updates_extensions/tests/src/Functional/UpdaterFormTestBase.php b/automatic_updates_extensions/tests/src/Functional/UpdaterFormTestBase.php
index c20f1027d604a7ead1064646f1e002aa5e127cc1..56da072daecf8d618da6939f83314452585b2db9 100644
--- a/automatic_updates_extensions/tests/src/Functional/UpdaterFormTestBase.php
+++ b/automatic_updates_extensions/tests/src/Functional/UpdaterFormTestBase.php
@@ -18,6 +18,11 @@ abstract class UpdaterFormTestBase extends UpdaterFormFunctionalTestBase {
 
   use FormTestTrait;
 
+  /**
+   * {@inheritdoc}
+   */
+  protected static $errorsExplanation = 'Your site cannot be automatically updated until further action is performed.';
+
   /**
    * The path of the test project's active directory.
    *
diff --git a/src/Form/UpdateFormBase.php b/src/Form/UpdateFormBase.php
index 15f39e340e0a49055275ebdf1deb064ce0017b04..35bc2d93400177c8c861e0e64afbd824802c0b91 100644
--- a/src/Form/UpdateFormBase.php
+++ b/src/Form/UpdateFormBase.php
@@ -6,7 +6,6 @@ namespace Drupal\automatic_updates\Form;
 
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Render\RendererInterface;
-use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\package_manager\StatusCheckTrait;
 use Drupal\package_manager\ValidationResult;
 use Drupal\system\SystemManager;
@@ -22,27 +21,6 @@ abstract class UpdateFormBase extends FormBase {
 
   use StatusCheckTrait;
 
-  /**
-   * Gets a message, based on severity, when status checks fail.
-   *
-   * @param int $severity
-   *   The severity. Should be one of the SystemManager::REQUIREMENT_*
-   *   constants.
-   *
-   * @return \Drupal\Core\StringTranslation\TranslatableMarkup
-   *   The message.
-   *
-   * @see \Drupal\system\SystemManager::REQUIREMENT_ERROR
-   * @see \Drupal\system\SystemManager::REQUIREMENT_WARNING
-   */
-  protected function getFailureMessageForSeverity(int $severity): TranslatableMarkup {
-    return $severity === SystemManager::REQUIREMENT_WARNING ?
-      // @todo Link "automatic updates" to documentation in
-      //   https://www.drupal.org/node/3168405.
-      $this->t('Your site does not pass some readiness checks for automatic updates. Depending on the nature of the failures, it might affect the eligibility for automatic updates.') :
-      $this->t('Your site does not pass some readiness checks for automatic updates. It cannot be automatically updated until further action is performed.');
-  }
-
   /**
    * Adds a set of validation results to the messages.
    *
@@ -58,11 +36,14 @@ abstract class UpdateFormBase extends FormBase {
       return;
     }
 
-    // Format the results as a single item list prefixed by a preamble message.
+    // Format the results as a single item list prefixed by a preamble message
+    // if necessary.
     $build = [
       '#theme' => 'item_list__automatic_updates_validation_results',
-      '#prefix' => $this->getFailureMessageForSeverity($severity),
     ];
+    if ($severity === SystemManager::REQUIREMENT_ERROR) {
+      $build['#prefix'] = $this->t('Your site cannot be automatically updated until further action is performed.');
+    }
     foreach ($results as $result) {
       $messages = $result->messages;
 
diff --git a/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php b/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php
index 4e107e65b6ee8c62a1392b608f3a049d23f1a198..bcb60ffaac942fe89b7864e4675d26f0ddcc0986 100644
--- a/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php
+++ b/tests/src/Functional/StatusCheckerRunAfterUpdateTest.php
@@ -89,7 +89,7 @@ class StatusCheckerRunAfterUpdateTest extends UpdaterFormTestBase {
       $this->drupalGet('/admin');
       // Confirm that the status checks were run and the new error is displayed.
       $assert_session->statusMessageContains('Error before continue.', 'error');
-      $assert_session->statusMessageContains(static::$errorsExplanation, 'error');
+      $assert_session->statusMessageContains('Your site does not pass some readiness checks for automatic updates. It cannot be automatically updated until further action is performed.', 'error');
       $assert_session->pageTextNotContains('Your site has not recently run an update readiness check. Rerun readiness checks now.');
     }
   }
diff --git a/tests/src/Functional/UpdaterFormTestBase.php b/tests/src/Functional/UpdaterFormTestBase.php
index 1a5d6a1a34b88a76692e3adce3d837caf513696e..3f5f2fb75c0934034a5ec916261847183cb09a74 100644
--- a/tests/src/Functional/UpdaterFormTestBase.php
+++ b/tests/src/Functional/UpdaterFormTestBase.php
@@ -41,6 +41,7 @@ abstract class UpdaterFormTestBase extends AutomaticUpdatesFunctionalTestBase {
    * {@inheritdoc}
    */
   protected function setUp(): void {
+    static::$errorsExplanation = 'Your site cannot be automatically updated until further action is performed.';
     parent::setUp();
 
     $this->setReleaseMetadata(__DIR__ . '/../../../package_manager/tests/fixtures/release-history/drupal.9.8.1-security.xml');