Javadoc of LinuxContainerExecutor#addSchedPriorityCommand has a wrong property name as reference

The javadoc of LinuxContainerExecutor#addSchedPriorityCommand tries to refer to the property org.apache.hadoop.yarn.conf.YarnConfiguration#NM_CONTAINER_EXECUTOR_SCHED_PRIORITY
which has the value: "yarn.nodemanager.container-executor.os.sched.priority.adjustment" but the javadoc contains the value: "yarn.nodemanager.container-executer.os.sched.prioity" which is incorrect.