diff --git a/phpBB/language/en/app.php b/phpBB/language/en/app.php
index 2da0f098c1..39c4065ebd 100644
--- a/phpBB/language/en/app.php
+++ b/phpBB/language/en/app.php
@@ -44,5 +44,5 @@ $lang = array_merge($lang, array(
 	'CONTROLLER_ARGUMENT_VALUE_MISSING'	=> 'Missing value for argument #%1$s: <strong>%3$s</strong> in class <strong>%2$s</strong>',
 	'CONTROLLER_NOT_SPECIFIED'			=> 'No controller has been specified.',
 	'CONTROLLER_METHOD_NOT_SPECIFIED'	=> 'No method was specified for the controller.',
-	'CONTROLLER_SERVICE_UNDEFINED'		=> 'The service for controller "<strong>%s</strong>" is not defined in ./config/services.yml.',
+	'CONTROLLER_SERVICE_UNDEFINED'		=> 'The service for controller “<strong>%s</strong>” is not defined in ./config/services.yml.',
 ));