diff --git a/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php b/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php
index a7e2498adf..6750985da6 100644
--- a/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php
+++ b/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php
@@ -263,12 +263,12 @@ public function validateForm(array &$form, FormStateInterface $form_state) {
   /**
    * Builds list of errors for display.
    *
-   * @param $errors
+   * @param array $errors
    *   Associative array of errors keyed by element name.
    * @param \Drupal\Core\Form\FormStateInterface $form_state
-   *   The form state
+   *   The form state.
    */
-   protected function buildErrorList($errors, FormStateInterface $form_state) {
+  protected function buildErrorList($errors, FormStateInterface $form_state) {
     $items = [];
     foreach ($errors as $name => $message) {
       $form_state->setErrorByName($name);
diff --git a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeExecuteTestBase.php b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeExecuteTestBase.php
index 405991bdfa..ce2b3793c3 100644
--- a/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeExecuteTestBase.php
+++ b/core/modules/migrate_drupal_ui/tests/src/Functional/MigrateUpgradeExecuteTestBase.php
@@ -70,11 +70,11 @@ public function testMigrateUpgradeExecute() {
     // Ensure submitting the form with invalid database credentials gives us a
     // nice warning.
     $this->drupalPostForm(NULL, [$driver . '[database]' => 'wrong'] + $edits, t('Review upgrade'));
-    $session->pageTextContains('Resolve all issues below to continue the upgrade.');
+    $session->pageTextContains('Resolve the issue below to continue the upgrade.');
 
     $this->drupalPostForm(NULL, $edits, t('Review upgrade'));
     // Ensure we get errors about missing modules.
-    $session->pageTextContains(t('Resolve all issues below to continue the upgrade'));
+    $session->pageTextContains(t('Resolve the issue below to continue the upgrade'));
     $session->pageTextContains(t('The no_source_module plugin must define the source_module property.'));
 
     // Uninstall the module causing the missing module error messages.