diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
index 997589791b4..a7ba58d8764 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -383,6 +383,15 @@
+
+ dfs.namenode.edits.dir.required
+
+ This should be a subset of dfs.namenode.edits.dir,
+ to ensure that the transaction (edits) file
+ in these places is always up-to-date.
+
+
+
dfs.namenode.shared.edits.dir