diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterPermissionChecker.java b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterPermissionChecker.java
index eeefeb0143..3d8ef21942 100644
--- a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterPermissionChecker.java
+++ b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterPermissionChecker.java
@@ -66,7 +66,7 @@ public RouterPermissionChecker(String user, String group)
    * @param mountTable
    *          MountTable being accessed
    * @param access
-   *          type of action being performed on the cache pool
+   *          type of action being performed on the mount table entry
    * @throws AccessControlException
    *           if mount table cannot be accessed
    */