diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeTypeRenameConfigImportTest.php b/core/modules/node/lib/Drupal/node/Tests/NodeTypeRenameConfigImportTest.php
index 5a189abb464cfc7c2df5b0996bb599b864aaaa68..2bb230eb0f2b3018a2e9b13431e275a51dc2af3c 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeTypeRenameConfigImportTest.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeTypeRenameConfigImportTest.php
@@ -108,6 +108,8 @@ public function testConfigurationRename() {
       $old_id = ConfigEntityStorage::getIDFromConfigName($names['old_name'], $entity_type->getConfigPrefix());
       $new_id = ConfigEntityStorage::getIDFromConfigName($names['new_name'], $entity_type->getConfigPrefix());
 
+      // Because table columns can be on multiple lines, need to assert a regex
+      // pattern rather than normal text.
       $id_key = $entity_type->getKey('id');
       $text = "$id_key: $old_id";
       $this->assertTextPattern('/\-\s+' . preg_quote($text, '/') . '/', "'-$text' found.");