diff --git a/core/lib/Drupal/Core/Config/ConfigImporter.php b/core/lib/Drupal/Core/Config/ConfigImporter.php
index 5bf3c95..b87c76d 100644
--- a/core/lib/Drupal/Core/Config/ConfigImporter.php
+++ b/core/lib/Drupal/Core/Config/ConfigImporter.php
@@ -638,7 +638,7 @@ protected function finish(array &$context) {
     // The import is now complete.
     $this->lock->release(static::LOCK_ID);
     $this->reset();
-    $context['message'] = t('Finalizing configuration synchronisation.');
+    $context['message'] = t('Finalizing configuration synchronization.');
     $context['finished'] = 1;
   }