MCP-771 [MCP-608] Multiple consumers prototype development

Author: vzabaznov

app/code/Magento/MessageQueue/Console/StartConsumerCommand.php

@@ -171,7 +171,7 @@ protected function configure()
 
 To define the number of processes per consumer:
 
-    <comment>%command.full_name% someConsumer --multi-process</comment>
+    <comment>%command.full_name% someConsumer --multi-process=4</comment>
 HELP
         );
         parent::configure();