README.md in fluent-plugin-ssl-check-2.1.0 vs README.md in fluent-plugin-ssl-check-2.2.0

@@ -28,9 +28,13 @@
 * tag: Tag to emit events on
 * hosts: list of <host>:<port> to check
 * interval: check every X seconds
 * ca_path: directory that contains CA files
 * ca_file: specify a CA file directly
+* sni: want the sni support (true)
+* verify_mode: none or peer
+* cert: client cert for ssl connection
+* key: client key associated to client cert for ssl connection
 * timeout: timeout for ssl check execution (5sec)
 * log_events: emit log format (true)
 * metric_events: emit metric format (false)
 * event_prefix: metric event prefix for extra dimension
 * timestamp_format: iso, epochmillis timestamp format (iso)