Update hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/impl/ZookeeperFederationStateStore.java

Co-authored-by: Inigo Goiri <elgoiri@gmail.com>

Author: slfan1989

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/federation/store/impl/ZookeeperFederationStateStore.java

@@ -141,7 +141,7 @@
  * |     |       |----- RM_DELEGATION_TOKEN_3
  * |     |----- ROUTER_RM_DT_MASTER_KEYS_ROOT
  * |     |       |----- DELEGATION_KEY_1
- * |---  |----- ROUTER_RM_DT_SEQUENTIAL_NUMBER
+ * |      |----- ROUTER_RM_DT_SEQUENTIAL_NUMBER
  */
 public class ZookeeperFederationStateStore implements FederationStateStore {