README.md in embulk-output-s3-0.1.0 vs README.md in embulk-output-s3-0.2.0

@@ -1,39 +1,39 @@
-# S3 file output plugin for Embulk
-
-## Overview
-
-* **Plugin type**: file output
-* **Load all or nothing**: no
-* **Resume supported**: yes
-* **Cleanup supported**: yes
-
-## Configuration
-
-- **path_prefix**: prefix of target keys (string, required)
-- **file_ext**: suffix of target keys (string, required)
-- **sequence_format**: format for sequence part of target keys (string, default: '.%03d.%02d')
-- **bucket**: S3 bucket name (string, required)
-- **endpoint**: S3 endpoint login user name (string, optional)
-- **access_key_id**: AWS access key id (string, required)
-- **secret_access_key**: AWS secret key (string, required)
-- **tmp_path_prefix**: prefix of temporary files (string, defualt: 'embulk-output-s3-')
-
-## Example
-
-```yaml
-path_prefix: logs/out
-file_ext: .csv
-bucket: my-s3-bucket
-endpoint: s3-us-west-1.amazonaws.com
-access_key_id: ABCXYZ123ABCXYZ123
-secret_access_key: AbCxYz123aBcXyZ123
-formatter:
-  type: csv
-```
-
-
-## Build
-
-```
-$ ./gradlew gem
-```
+# S3 file output plugin for Embulk
+
+## Overview
+
+* **Plugin type**: file output
+* **Load all or nothing**: no
+* **Resume supported**: yes
+* **Cleanup supported**: yes
+
+## Configuration
+
+- **path_prefix**: prefix of target keys (string, required)
+- **file_ext**: suffix of target keys (string, required)
+- **sequence_format**: format for sequence part of target keys (string, default: '.%03d.%02d')
+- **bucket**: S3 bucket name (string, required)
+- **endpoint**: S3 endpoint login user name (string, optional)
+- **access_key_id**: AWS access key id. This parameter is required when your agent is not running on EC2 instance with an IAM Role. (string, defualt: null)
+- **secret_access_key**: AWS secret key. This parameter is required when your agent is not running on EC2 instance with an IAM Role. (string, defualt: null)
+- **tmp_path_prefix**: prefix of temporary files (string, defualt: 'embulk-output-s3-')
+
+## Example
+
+```yaml
+path_prefix: logs/out
+file_ext: .csv
+bucket: my-s3-bucket
+endpoint: s3-us-west-1.amazonaws.com
+access_key_id: ABCXYZ123ABCXYZ123
+secret_access_key: AbCxYz123aBcXyZ123
+formatter:
+  type: csv
+```
+
+
+## Build
+
+```
+$ ./gradlew gem
+```