diff --git a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringItem.php b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringItem.php
index e8109e8..246dbb4 100644
--- a/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringItem.php
+++ b/core/lib/Drupal/Core/Field/Plugin/Field/FieldType/StringItem.php
@@ -19,7 +19,7 @@
  *   id = "string",
  *   label = @Translation("Text (plain)"),
  *   description = @Translation("A field containing a plain string value."),
- *   default_widget = "string",
+ *   default_widget = "string_textfield",
  *   default_formatter = "string"
  * )
  */
diff --git a/core/modules/entity/config/schema/entity.schema.yml b/core/modules/entity/config/schema/entity.schema.yml
index a924bad..6f0c25c 100644
--- a/core/modules/entity/config/schema/entity.schema.yml
+++ b/core/modules/entity/config/schema/entity.schema.yml
@@ -123,7 +123,7 @@ entity_form_display.field.*:
   type: entity_field_form_display_base
   label: 'Entity form display default'
 
-entity_form_display.field.string:
+entity_form_display.field.string_textfield:
   type: entity_field_form_display_base
   label: 'Text field display format settings'
   mapping: