diff --git a/messenger.rst b/messenger.rst
index 798dad06636..8fb3ccd8c86 100644
--- a/messenger.rst
+++ b/messenger.rst
@@ -546,8 +546,8 @@ different messages to them. For example:
                             queue_name: low
 
                 routing:
-                    'App\Message\SmsNotification':  async_priority_low
-                    'App\Message\NewUserWelcomeEmail':  async_priority_high
+                    'App\Message\SmsNotification': async_priority_low
+                    'App\Message\NewUserWelcomeEmail': async_priority_high
 
     .. code-block:: xml