diff --git a/core/modules/field_ui/src/Tests/ManageDisplayTest.php b/core/modules/field_ui/src/Tests/ManageDisplayTest.php
index 2c1e40f..10bf706 100644
--- a/core/modules/field_ui/src/Tests/ManageDisplayTest.php
+++ b/core/modules/field_ui/src/Tests/ManageDisplayTest.php
@@ -170,12 +170,12 @@ function testFormatterUI() {
     $this->drupalPostAjaxForm(NULL, $edit, "field_test_plugin_settings_update");
 
     // When a module providing third-party settings to a formatter (or widget)
-    // is uninstalled, the formatter remain enabled but the provided settings,
+    // is uninstalled, the formatter remains enabled but the provided settings,
     // together with the corresponding form elements, are removed from the
     // display component.
     \Drupal::service('module_installer')->uninstall(array('field_third_party_test'));
 
-    // Ensure the button is still there after the module as been disabled.
+    // Ensure the button is still there after the module has been disabled.
     $this->drupalGet($manage_display);
     $this->assertResponse(200);
     $this->assertFieldByName('field_test_settings_edit');
@@ -183,7 +183,7 @@ function testFormatterUI() {
     // Ensure that third-party form elements are not present anymore.
     $this->drupalPostAjaxForm(NULL, array(), 'field_test_settings_edit');
     $fieldname = 'fields[field_test][settings_edit_form][third_party_settings][field_third_party_test][field_test_field_formatter_third_party_settings_form]';
-    $this->assertNoField($fieldname, 'The field added in hook_field_formatter_third_party_settings_form() is present on the settings form.');
+    $this->assertNoField($fieldname);
 
     // Ensure that third-party settings were removed from the formatter.
     $display = EntityViewDisplay::load("node.{$this->type}.default");