diff --git a/phpBB/language/en/migrator.php b/phpBB/language/en/migrator.php
index bc9fbc57af..84074c391c 100644
--- a/phpBB/language/en/migrator.php
+++ b/phpBB/language/en/migrator.php
@@ -40,6 +40,7 @@ $lang = array_merge($lang, array(
 
 	'GROUP_NOT_EXIST'					=> 'The group "%s" unexpectedly does not exist.',
 
+	'MIGRATION_EXCEPTION_ERROR'			=> 'Something went wrong during the request and an exception was thrown. The changes made before the error occurred were reversed to the best of our abilities, but you should check the board for errors.',
 	'MIGRATION_NOT_FULFILLABLE'			=> 'The migration "%1$s" is not fulfillable, missing migration "%2$s".',
 
 	'MODULE_ALREADY_EXIST'				=> 'The module "%s" unexpectedly already exists.',