Fix typo in Messenger examples

apiv-thomas · web-flow · commit 7da59432cdc1 · 2018-10-25T13:19:04.000+02:00
diff --git a/UPGRADE-4.2.md b/UPGRADE-4.2.md
@@ -173,7 +173,7 @@ Messenger
    After:
    ```php
    yield FirstMessage::class => ['priority' => 0];
-   yield SecondMessage::class => ['priority => -10];
+   yield SecondMessage::class => ['priority' => -10];
    ```
 
    Before:
