diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index f4aec7302e5..2b33c120a93 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -170,6 +170,9 @@ Trunk (unreleased changes)
 
     HDFS-2739. SecondaryNameNode doesn't start up. (jitendra)
 
+    HDFS-2776. Missing interface annotation on JournalSet. 
+    (Brandon Li via jitendra)
+
 Release 0.23.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/JournalSet.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/JournalSet.java
index 58b1ca09e64..b1accd8562c 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/JournalSet.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/JournalSet.java
@@ -35,11 +35,14 @@ import com.google.common.collect.Lists;
 import com.google.common.collect.Multimaps;
 import com.google.common.collect.Sets;
 
+import org.apache.hadoop.classification.InterfaceAudience;
+
 /**
  * Manages a collection of Journals. None of the methods are synchronized, it is
  * assumed that FSEditLog methods, that use this class, use proper
  * synchronization.
  */
+@InterfaceAudience.Private
 public class JournalSet implements JournalManager {
 
   static final Log LOG = LogFactory.getLog(FSEditLog.class);