diff -u b/core/modules/node/src/Controller/NodeController.php b/core/modules/node/src/Controller/NodeController.php
--- b/core/modules/node/src/Controller/NodeController.php
+++ b/core/modules/node/src/Controller/NodeController.php
@@ -141,7 +141,7 @@
     return $this->t('Revision of %title from %date', [
       '%title' => $node_revision->label(),
       '%date' => $this->dateFormatter->format($node_revision->getRevisionCreationTime()),
-      ]);
+    ]);
   }
 
   /**
@@ -235,8 +235,8 @@
             $links['revert'] = [
               'title' => $vid < $node->getRevisionId() ? $this->t('Revert') : $this->t('Set as current revision'),
               'url' => $has_translations ?
-                Url::fromRoute('node.revision_revert_translation_confirm', ['node' => $node->id(), 'node_revision' => $vid, 'langcode' => $langcode]) :
-                Url::fromRoute('node.revision_revert_confirm', ['node' => $node->id(), 'node_revision' => $vid]),
+              Url::fromRoute('node.revision_revert_translation_confirm', ['node' => $node->id(), 'node_revision' => $vid, 'langcode' => $langcode]) :
+              Url::fromRoute('node.revision_revert_confirm', ['node' => $node->id(), 'node_revision' => $vid]),
             ];
           }