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 c0b91716..87579739 100644
--- a/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
+++ b/source/_posts/2019-09-13-live-blogging-symfonylive-london.md
@@ -139,3 +139,5 @@ Notifier
 * 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`