README.md in fluent-plugin-sql-2.2.0 vs README.md in fluent-plugin-sql-2.3.0

@@ -42,10 +42,11 @@
 
     <source>
       @type sql
 
       host rdb_host
+	  port rdb_port
       database rdb_database
       adapter mysql2_or_postgresql_or_etc
       username myusername
       password mypassword
 
@@ -66,10 +67,11 @@
       <table>
         table table2
         tag table2  # optional
         update_column updated_at
         time_column updated_at  # optional
+        time_format %Y-%m-%d %H:%M:%S.%6N # optional
       </table>
 
       # detects all tables instead of <table> sections
       #all_tables
     </source>
@@ -91,9 +93,10 @@
 * **tag** tag name of events (optional; default value is table name)
 * **table** RDBM table name
 * **update_column**: see above description
 * **time_column** (optional): if this option is set, this plugin uses this column's value as the the event's time. Otherwise it uses current time.
 * **primary_key** (optional): if you want to get data from the table which doesn't have primary key like PostgreSQL's View, set this parameter.
+* **time_format** (optional): if you want to specify the format of the date used in the query, useful when using alternative adapters which have restrictions on format
 
 ## Input: Limitation
 
 You should make sure target tables have index (and/or partitions) on the *update\_column*. Otherwise SELECT causes full table scan and serious performance problem.