add ticdc command line server flag description (#13915) (#14019)

ticdc/ticdc-sink-to-cloud-storage.md

@@ -31,6 +31,7 @@ The output is as follows:
 Info: {"upstream_id":7171388873935111376,"namespace":"default","id":"simple-replication-task","sink_uri":"s3://logbucket/storage_test?protocol=canal-json","create_time":"2023-03-10T18:52:05.566016967+08:00","start_ts":437706850431664129,"engine":"unified","config":{"case_sensitive":true,"enable_old_value":true,"force_replicate":false,"ignore_ineligible_table":false,"check_gc_safe_point":true,"enable_sync_point":false,"sync_point_interval":600000000000,"sync_point_retention":86400000000000,"filter":{"rules":["*.*"],"event_filters":null},"mounter":{"worker_num":16},"sink":{"protocol":"canal-json","schema_registry":"","csv":{"delimiter":",","quote":"\"","null":"\\N","include_commit_ts":false},"column_selectors":null,"transaction_atomicity":"none","encoder_concurrency":16,"terminator":"\r\n","date_separator":"none","enable_partition_separator":false},"consistent":{"level":"none","max_log_size":64,"flush_interval":2000,"storage":""}},"state":"normal","creator_version":"v6.5.3-master-dirty"}
 ```
 
+- `--server`: The address of any TiCDC server in the TiCDC cluster.
 - `--changefeed-id`: The ID of the changefeed. The format must match the `^[a-zA-Z0-9]+(\-[a-zA-Z0-9]+)*$` regular expression. If this ID is not specified, TiCDC automatically generates a UUID (the version 4 format) as the ID.
 - `--sink-uri`: The downstream address of the changefeed. For details, see [Configure sink URI](#configure-sink-uri).
 - `--start-ts`: The starting TSO of the changefeed. TiCDC starts pulling data from this TSO. The default value is the current time.

ticdc/ticdc-sink-to-kafka.md

@@ -24,6 +24,7 @@ ID: simple-replication-task
 Info: {"sink-uri":"kafka://127.0.0.1:9092/topic-name?protocol=canal-json&kafka-version=2.4.0&partition-num=6&max-message-bytes=67108864&replication-factor=1","opts":{},"create-time":"2020-03-12T22:04:08.103600025+08:00","start-ts":415241823337054209,"target-ts":0,"admin-job-type":0,"sort-engine":"unified","sort-dir":".","config":{"case-sensitive":true,"filter":{"rules":["*.*"],"ignore-txn-start-ts":null,"ddl-allow-list":null},"mounter":{"worker-num":16},"sink":{"dispatchers":null},"scheduler":{"type":"table-number","polling-time":-1}},"state":"normal","history":null,"error":null}
 ```
 
+- `--server`: The address of any TiCDC server in the TiCDC cluster.
 - `--changefeed-id`: The ID of the replication task. The format must match the `^[a-zA-Z0-9]+(\-[a-zA-Z0-9]+)*$` regular expression. If this ID is not specified, TiCDC automatically generates a UUID (the version 4 format) as the ID.
 - `--sink-uri`: The downstream address of the replication task. For details, see [Configure sink URI with `kafka`](#configure-sink-uri-for-kafka).
 - `--start-ts`: Specifies the starting TSO of the changefeed. From this TSO, the TiCDC cluster starts pulling data. The default value is the current time.

ticdc/ticdc-sink-to-mysql.md

@@ -24,6 +24,7 @@ ID: simple-replication-task
 Info: {"sink-uri":"mysql://root:[email protected]:3306/","opts":{},"create-time":"2020-03-12T22:04:08.103600025+08:00","start-ts":415241823337054209,"target-ts":0,"admin-job-type":0,"sort-engine":"unified","sort-dir":".","config":{"case-sensitive":true,"filter":{"rules":["*.*"],"ignore-txn-start-ts":null,"ddl-allow-list":null},"mounter":{"worker-num":16},"sink":{"dispatchers":null},"scheduler":{"type":"table-number","polling-time":-1}},"state":"normal","history":null,"error":null}
 ```
 
+- `--server`: The address of any TiCDC server in the TiCDC cluster.
 - `--changefeed-id`: The ID of the replication task. The format must match the `^[a-zA-Z0-9]+(\-[a-zA-Z0-9]+)*$` regular expression. If this ID is not specified, TiCDC automatically generates a UUID (the version 4 format) as the ID.
 - `--sink-uri`: The downstream address of the replication task. For details, see [Configure sink URI with `mysql`/`tidb`](#configure-sink-uri-for-mysql-or-tidb).
 - `--start-ts`: Specifies the starting TSO of the changefeed. From this TSO, the TiCDC cluster starts pulling data. The default value is the current time.