HDFS-7324. haadmin command usage prints incorrect command name. Contributed by Brahma Reddy Battula.

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -384,6 +384,9 @@ Release 2.7.0 - UNRELEASED
     HDFS-7315. DFSTestUtil.readFileBuffer opens extra FSDataInputStream.
     (Plamen Jeliazkov via wheat9)
 
+    HDFS-7324. haadmin command usage prints incorrect command name.
+    (Brahma Reddy Battula via suresh)
+
 Release 2.6.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSHAAdmin.java

@@ -89,7 +89,7 @@ public class DFSHAAdmin extends HAAdmin {
 
   @Override
   protected String getUsageString() {
-    return "Usage: DFSHAAdmin [-ns <nameserviceId>]";
+    return "Usage: haadmin";
   }
 
   @Override