diff -u b/core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php b/core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php
--- b/core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php
+++ b/core/modules/file/src/Plugin/Field/FieldFormatter/FileMediaFormatterBase.php
@@ -32,7 +32,7 @@
   public function settingsForm(array $form, FormStateInterface $form_state) {
     return [
       'controls' => [
-        '#title' => $this->t('Show @type controls', ['@type' => static::getMimeType()]),
+        '#title' => $this->t('Show playback controls'),
         '#type' => 'checkbox',
         '#default_value' => $this->getSetting('controls'),
       ],
@@ -87,11 +87,14 @@
     $summary[] = $this->t('Controls: %controls', ['%controls' => $this->getSetting('controls') ? $this->t('visible') : $this->t('hidden')]);
     $summary[] = $this->t('Autoplay: %autoplay', ['%autoplay' => $this->getSetting('autoplay') ? $this->t('yes') : $this->t('no')]);
     $summary[] = $this->t('Loop: %loop', ['%loop' => $this->getSetting('loop') ? $this->t('yes') : $this->t('no')]);
-    if ($this->getSetting('multiple_file_behavior') === 'tags') {
-      $summary[] = $this->t('Multiple files: Multiple %tag tags', ['%tag' => '<' . static::getMimeType() . '>']);
-    }
-    elseif ($this->getSetting('multiple_file_behavior') === 'sources') {
-      $summary[] = $this->t('Multiple files: One %tag tag with multiple sources', ['%tag' => '<' . static::getMimeType() . '>']);
+    switch ($this->getSetting('multiple_file_behavior')) {
+      case 'tags':
+        $summary[] = $this->t('Multiple files: Multiple HTML tags');
+        break;
+
+      case 'sources':
+        $summary[] = $this->t('Multiple files: One HTML tag with multiple sources');
+        break;
     }
     return $summary;
   }