diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.java
index 94af3387d7..7f1ea6175e 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/FileOutputCommitter.java
@@ -409,7 +409,7 @@ protected void commitJobInternal(JobContext context) throws IOException {
         LOG.info("Skip cleanup the _temporary folders under job's output " +
             "directory in commitJob.");
       } else {
-        // delete the _temporary folder and create a _done file in the o/p
+        // delete the _temporary folder and create a _SUCCESS file in the o/p
         // folder
         try {
           cleanupJob(context);
@@ -426,6 +426,7 @@ protected void commitJobInternal(JobContext context) throws IOException {
       }
       // True if the job requires output.dir marked on successful job.
       // Note that by default it is set to true.
+      // Create a _SUCCESS file in the o/p folder.
       if (context.getConfiguration().getBoolean(
           SUCCESSFUL_JOB_OUTPUT_DIR_MARKER, true)) {
         Path markerPath = new Path(outputPath, SUCCEEDED_FILE_NAME);