Edit README

Signed-off-by: Blake Hensley <[email protected]>

Author: BlakeHensleyy

README.md

@@ -81,6 +81,9 @@ Fluentd Input plugin for the Windows Event Log using newer Windows Event Logging
 |`<storage>`        | Setting for `storage` plugin for recording read position like `in_tail`'s `pos_file`.|
 |`<parse>`          | Setting for `parser` plugin for parsing raw XML EventLog records. |
 |`parse_description`| (option) parse `description` field and set parsed result into the record. `Description` and `EventData` fields are removed|
+|`description_prefix_word_delimeter`| (option) Change the character placed between the parent_key and key. Set the value to "" for no delimiter. Defaults to `.` .|
+|`description_word_delimeter`| (option) Change the character placed between each word of the key. Set the value to "" for no delimiter. Defaults to `_` .|
+|`downcase_description_keys`| (option) Specify whether to downcase the keys that are parsed from the Description. Defaults to `true`.|
 |`read_from_head`   | **Deprecated** (option) Start to read the entries from the oldest, not from when fluentd is started. Defaults to `false`.|
 |`read_existing_events` | (option) Read the entries which already exist before fluentd is started. Defaults to `false`.|
 |`render_as_xml` | (option) Render Windows EventLog as XML or Ruby Hash object directly. Defaults to `false`.|