Make it clear that delay time is in seconds (#20801)

Author: mnabialek

src/Illuminate/Queue/Console/ListenCommand.php

@@ -15,7 +15,7 @@ class ListenCommand extends Command
      */
     protected $signature = 'queue:listen
                             {connection? : The name of connection}
-                            {--delay=0 : Amount of time to delay failed jobs}
+                            {--delay=0 : The number of seconds to delay failed jobs}
                             {--force : Force the worker to run even in maintenance mode}
                             {--memory=128 : The memory limit in megabytes}
                             {--queue= : The queue to listen on}

src/Illuminate/Queue/Console/WorkCommand.php

@@ -23,7 +23,7 @@ class WorkCommand extends Command
                             {--queue= : The names of the queues to work}
                             {--daemon : Run the worker in daemon mode (Deprecated)}
                             {--once : Only process the next job on the queue}
-                            {--delay=0 : Amount of time to delay failed jobs}
+                            {--delay=0 : The number of seconds to delay failed jobs}
                             {--force : Force the worker to run even in maintenance mode}
                             {--memory=128 : The memory limit in megabytes}
                             {--sleep=3 : Number of seconds to sleep when no job is available}