Update doc

Signed-off-by: Yanjun Zhou <[email protected]>

docs/network-flow-visibility.md

@@ -292,20 +292,20 @@ PV creation, you can configure a customized `StorageClass` in
 
 ##### Secure Connection
 
-From Theia 0.7, we support TLS connection option in ClickHouse server. To
+From Theia 0.8, we support TLS connection option in ClickHouse server. To
 enable TLS connection, please set `clickhouse.service.secureConnection.enable`
 to true.
 
 Currently ClickHouse Operator does not support cert-manager, which means users
 need to manually do the certs rotation when using this ClickHouse server TLS
 option. You can set `clickhouse.service.secureConnection.selfSignedCert` to
-true to use the default certs. Please ensure you set the Subject's common name
-and optional IP addresses and DNS names. You will need to renew the certs after
-`clickhouse.service.secureConnection.daysValid` passes.
+true to use the default certs. Please ensure that you have set the subject's
+common name. You will need to renew the certs after `clickhouse.service.secureConnection.daysValid`
+passes.
 
 You can set `clickhouse.service.secureConnection.selfSignedCert` to
-false to use you own certicates by providing them in a Secret called
-`clickhouse-tls` with the following keys: `tls.crt` and `tls.key`.
+false to provide your own certificates by creating a Secret with name
+`clickhouse-tls` containing the following keys: `tls.crt` and `tls.key`.
 
 #### With Standalone Manifest