diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 043c1ff23ca..6e6c714acc3 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -1978,6 +1978,8 @@ Release 0.22.0 - Unreleased
     HDFS-2346. TestHost2NodesMap & TestReplicasMap will fail depending upon
     execution order of test methods (Laxman, Uma Maheswara Rao G via shv)
 
+    HDFS-2287. TestParallelRead has a small off-by-one bug. (todd)
+
 Release 0.21.1 - Unreleased
 
     HDFS-1466. TestFcHdfsSymlink relies on /tmp/test not existing. (eli)
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestParallelRead.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestParallelRead.java
index c5aec722fc3..bbd001236f2 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestParallelRead.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestParallelRead.java
@@ -156,8 +156,8 @@ private void read(int start, int len) throws Exception {
      */
     private void pRead(int start, int len) throws Exception {
       assertTrue(
-          "Bad args: " + start + " + " + len + " should be < " + fileSize,
-          start + len < fileSize);
+          "Bad args: " + start + " + " + len + " should be <= " + fileSize,
+          start + len <= fileSize);
       DFSInputStream dis = testInfo.dis;
 
       byte buf[] = new byte[len];