only in patch2:
unchanged:
--- a/core/modules/field_ui/src/DisplayOverviewBase.php
+++ b/core/modules/field_ui/src/DisplayOverviewBase.php
@@ -275,8 +275,13 @@ protected function buildFieldRow(FieldDefinitionInterface $field_definition, Ent
         'rowHandler' => 'field',
         'defaultPlugin' => $this->getDefaultPlugin($field_definition->getType()),
       ),
-      'human_name' => array(
-        '#markup' => String::checkPlain($label),
+      'title' => array(
+        '#type' => 'textfield',
+        '#default_value' => isset($display_options['title']) ? $display_options['title'] : NULL,
+        '#maxlength' => 128,
+        '#attributes' => array(
+          'placeholder' => t('Override "@field" label', array('@field' => $label)),
+        ),
       ),
       'weight' => array(
         '#type' => 'textfield',
@@ -531,7 +536,8 @@ public function submitForm(array &$form, array &$form_state) {
         $component_values = array(
           'type' => $values['type'],
           'weight' => $values['weight'],
-          'settings' => $settings
+          'settings' => $settings,
+          'title' => $values['title'],
         );
 
         // Only formatters have configurable label visibility.