README.rdoc in fluent-plugin-s3-0.2.1 vs README.rdoc in fluent-plugin-s3-0.2.2

@@ -19,10 +19,11 @@
       type s3
 
       aws_key_id YOUR_AWS_KEY_ID
       aws_sec_key YOUR_AWS_SECRET/KEY
       s3_bucket YOUR_S3_BUCKET_NAME
+      s3_endpoint s3-ap-northeast-1.amazonaws.com
       path logs/
       buffer_path /var/log/fluent/s3
 
       time_slice_format %Y%m%d-%H
       time_slice_wait 10m
@@ -32,9 +33,11 @@
 [aws_key_id (required)] AWS access key id.
 
 [aws_sec_key (required)] AWS secret key.
 
 [s3_bucket (required)] S3 bucket name.
+
+[s3_endpoint] s3 endpoint name. Example, Tokyo region is "s3-ap-northeast-1.amazonaws.com".
 
 [path] path prefix of the files on S3. Default is "" (no prefix).
 
 [buffer_path (required)] path prefix of the files to buffer logs.