diff --git a/apps/files_trashbin/lib/Command/ExpireTrash.php b/apps/files_trashbin/lib/Command/ExpireTrash.php
index fdc8e058cbf91..5d437fdb0a8f6 100644
--- a/apps/files_trashbin/lib/Command/ExpireTrash.php
+++ b/apps/files_trashbin/lib/Command/ExpireTrash.php
@@ -35,11 +35,12 @@ protected function configure(): void {
 		parent::configure();
 		$this
 			->setName('trashbin:expire')
-			->setDescription('Expires the users trashbin')
+			->setDescription('Delete expired files from the trashbin')
+			->setHelp('Deletes expired files from the trashbin according to the configured retention and space policy. This does not disable the trashbin or unconditionally empty it.')
 			->addArgument(
 				'user_id',
 				InputArgument::OPTIONAL | InputArgument::IS_ARRAY,
-				'expires the trashbin of the given user(s), if no user is given the trash for all users will be expired'
+				'Limit processing to the given user ID(s); if no user ID is given, all users are processed'
 			);
 	}