-

Author: OskarStark

messenger.rst

@@ -544,13 +544,13 @@ command with the ``--all`` option:
     The ``--all`` option was introduced in Symfony 7.1.
 
 The ``--keepalive`` option can be used to prevent messages from being prematurely
-redelivered during long-running processing. This updates the ``delivered_at``
-timestamp periodically to ensure the message is marked as "in progress":
+redelivered during long-running processing. It marks the message as "in progress"
+and prevents it from being redelivered until the worker finishes processing it.
 
 .. note::
 
-    This option is only available for transports that support it. Currently, only
-    the Beanstalkd and AmazonSQS transports support this option.
+    This option is only available for supported transports, which are
+    the Beanstalkd and AmazonSQS transports.
 
 .. versionadded:: 7.2