diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/DFSNetworkTopology.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/DFSNetworkTopology.java
index d3ceb21c80..de78e26d4e 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/DFSNetworkTopology.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/net/DFSNetworkTopology.java
@@ -173,6 +173,7 @@ public Node chooseRandomWithStorageTypeTwoTrial(final String scope,
    * @param scope the scope where we look for node.
    * @param excludedScope the scope where the node must NOT be from.
    * @param excludedNodes the returned node must not be in this set
+   * @param type the storage type we search for
    * @return a node with required storage type
    */
   @VisibleForTesting