YARN-9283. Javadoc of LinuxContainerExecutor#addSchedPriorityCommand has a wrong property name as reference

Signed-off-by: Akira Ajisaka <aajisaka@apache.org>
(cherry picked from commit 9385ec45d75109a2e6565faa10527cc56637bf5f)
(cherry picked from commit 3c7c3366ffcd7f60650afdb8e4c4c5e1a6783101)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LinuxContainerExecutor.java

@@ -264,7 +264,7 @@ public class LinuxContainerExecutor extends ContainerExecutor {
    * Add a niceness level to the process that will be executed.  Adds
    * {@code -n <nice>} to the given command. The niceness level will be
    * taken from the
-   * {@code yarn.nodemanager.container-executer.os.sched.prioity} property.
+   * {@link YarnConfiguration#NM_CONTAINER_EXECUTOR_SCHED_PRIORITY} property.
    *
    * @param command the command to which to add the niceness setting.
    */