[typo](doc)FlinkCDC access to multi-table or whole database example document mod… (#21295)

docs/en/docs/ecosystem/flink-doris-connector.md

@@ -407,6 +407,8 @@ insert into doris_sink select id,name from cdc_mysql_source;
 - **--sink-conf** All configurations of Doris Sink, you can view the complete configuration items [here](https://doris.apache.org/zh-CN/docs/dev/ecosystem/flink-doris-connector/#%E9%80%9A%E7%94%A8%E9%85%8D%E7%BD%AE%E9%A1%B9).
 - **--table-conf** The configuration item of the Doris table, that is, the content contained in properties. For example --table-conf replication_num=1
 
+>Note: flink-sql-connector-mysql-cdc-2.3.0.jar needs to be added in the $FLINK_HOME/lib directory
+
 ### Example
 ```
 <FLINK_HOME>/bin/flink run \

docs/zh-CN/docs/ecosystem/flink-doris-connector.md

@@ -403,6 +403,8 @@ insert into doris_sink select id,name from cdc_mysql_source;
 - **--sink-conf** Doris Sink 的所有配置，可以在[这里](https://doris.apache.org/zh-CN/docs/dev/ecosystem/flink-doris-connector/#%E9%80%9A%E7%94%A8%E9%85%8D%E7%BD%AE%E9%A1%B9)查看完整的配置项。
 - **--table-conf** Doris表的配置项，即properties中包含的内容。 例如 --table-conf replication_num=1
 
+>注：需要在$FLINK_HOME/lib 目录下添加flink-sql-connector-mysql-cdc-2.3.0.jar
+
 ### 示例
 ```
 <FLINK_HOME>/bin/flink run \