diff --git a/source/_posts/2018-08-21-experimenting-with-events-in-drupal-8.md b/source/_posts/2018-08-21-experimenting-with-events-in-drupal-8.md
index f720ed3b..ea10eff1 100644
--- a/source/_posts/2018-08-21-experimenting-with-events-in-drupal-8.md
+++ b/source/_posts/2018-08-21-experimenting-with-events-in-drupal-8.md
@@ -39,6 +39,10 @@ services:
       - { name: event_subscriber }
 ```
 
+<div class="note" markdown="1">
+Adding `autowire: true` is not required for the event subscriber to work. I’m using it to automatically inject any dependencies into the class rather than specifying them separately as arguments.
+</div>
+
 `src/EventSubscriber/SendTweet.php`:
 
 ```php