HDFS-5833. Merging r1561939 from branch-2 to branch-2.3

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.3@1561940 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -866,6 +866,8 @@ Release 2.3.0 - UNRELEASED
     IllegalArgumentException when accessing another cluster. (Yongjun Zhang via
     Colin Patrick McCabe)
 
+    HDFS-5833. Fix SecondaryNameNode javadoc. (Bangtao Zhou via Arpit Agarwal)
+
 Release 2.2.0 - 2013-10-13
 
   INCOMPATIBLE CHANGES

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java

@@ -90,7 +90,7 @@ import com.google.common.collect.ImmutableList;
  * The Secondary NameNode is a daemon that periodically wakes
  * up (determined by the schedule specified in the configuration),
  * triggers a periodic checkpoint and then goes back to sleep.
- * The Secondary NameNode uses the ClientProtocol to talk to the
+ * The Secondary NameNode uses the NamenodeProtocol to talk to the
  * primary NameNode.
  *
  **********************************************************/