fix dummy error

Resources/docs/running_jobs.rst

@@ -29,7 +29,7 @@ settings are correct.
 
 .. code-block:: bash
 
-    $ php app/console gearman:workers:list
+    $ php app/console gearman:worker:list
 
     @Worker:  Mmoreramerino\TestBundle\Services\AcmeWorker
     callablename:  MmoreramerinoTestBundleServicesMyAcmeWorker
@@ -149,4 +149,4 @@ of the job. The Method returns a JobStatus object placed in
     $completionTotal = $jobStatus->getCompletionTotal();
     $completionPercent = $jobStatus->getCompletionPercent();
 
-.. _Supervisord: http://supervisord.org/
+.. _Supervisord: http://supervisord.org/