diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/WriteOperationHelper.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/WriteOperationHelper.java
index c611b94151..46ca65c203 100644
--- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/WriteOperationHelper.java
+++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/WriteOperationHelper.java
@@ -82,6 +82,7 @@ public class WriteOperationHelper {
   /**
    * Constructor.
    * @param owner owner FS creating the helper
+   * @param conf Configuration object
    *
    */
   protected WriteOperationHelper(S3AFileSystem owner, Configuration conf) {