Update job.md

Author: luoxiaohi

content/en/docs/concepts/workloads/controllers/job.md

@@ -519,7 +519,7 @@ These are some requirements and semantics of the API:
   are ignored. When no rule matches the Pod failure, the default
   handling applies.
 - you may want to restrict a rule to a specific container by specifying its name
-  in`spec.podFailurePolicy.rules[*].containerName`. When not specified the rule
+  in`spec.podFailurePolicy.rules[*].onExitCodes.containerName`. When not specified the rule
   applies to all containers. When specified, it should match one the container
   or `initContainer` names in the Pod template.
 - you may specify the action taken when a Pod failure policy is matched by