Update UPGRADE-4.3.md

sroze · G15N · web-flow · commit 70cb96d5263f · 2019-03-28T14:09:41.000+01:00
Co-Authored-By: G15N &lt;ggammelin@gmail.com&gt;
diff --git a/UPGRADE-4.3.md b/UPGRADE-4.3.md
@@ -91,7 +91,7 @@ Messenger
 
  * `Amqp` transport does not throw `\AMQPException` anymore, catch `TransportException` instead.
  * Deprecated the `LoggingMiddleware` class, pass a logger to `SendMessageMiddleware` instead.
- * Deprecated publishing with a routing key from queue configuration, use exchange configuration instead.
+ * Deprecated routing key from queue configuration (`queue[routing_key]` in the DSN), use exchange configuration instead (`exchange[routing_key]` in the DSN).
 
 Routing
 -------
