diff --git a/src/Plugin/Field/FieldFormatter/FieldFormatterPerBundle.php b/src/Plugin/Field/FieldFormatter/FieldFormatterPerBundle.php
index a1d520c..3bec261 100644
--- a/src/Plugin/Field/FieldFormatter/FieldFormatterPerBundle.php
+++ b/src/Plugin/Field/FieldFormatter/FieldFormatterPerBundle.php
@@ -328,4 +328,20 @@ class FieldFormatterPerBundle extends FieldFormatterBase implements ContainerFac
     return $options;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function settingsSummary() {
+    $output = [
+      '#theme' => 'item_list',
+    ];
+    foreach ($this->settings['formatter'] as $bundle => $setting) {
+      $output['#items'][] = [
+        '#markup' => $setting['type'],
+      ];
+    }
+    return $output;
+  }
+
+
 }