diff --git a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
index 87579739..e0b03b96 100644
--- a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
+++ b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
@@ -135,9 +135,11 @@ Notifier
 
 * New intern. Understand everything, 'just PHP'. Plain PHP application, not 'scary Symfony'
 
+### Symfony Messenger
 * `composer req symfony/messager` - best MessageBus implementation
 * Message -> Message bus -> Message handler
 * Message is a plain PHP class
 * Handler is a normal PHP class which is invokable
 * `messenger:message_hander` tag in config
 * Autowire with `MessageHandlerInterface`
+* What if it takes 20 seconds to send a message? Uses asyncronus