update ticdc faq (#13630)

pingcap · Aug 14, 2023 · 23977fe · 23977fe
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diff --git a/ticdc/ticdc-faq.md b/ticdc/ticdc-faq.md
@@ -280,7 +280,7 @@ When a changefeed is resumed, TiCDC needs to scan the historical versions of dat
 
 ## How should I deploy TiCDC to replicate data between two TiDB cluster located in different regions?
 
-It is recommended that you deploy TiCDC in the downstream TiDB cluster. If the network latency between the upstream and downstream is high, for example, more than 100 ms, the latency produced when TiCDC executes SQL statements to the downstream might increase dramatically due to the MySQL transmission protocol issues. This results in a decrease in system throughput. However, deploying TiCDC in the downstream can greatly ease this problem.
+For TiCDC versions earlier than v6.5.2, it is recommended that you deploy TiCDC in the downstream TiDB cluster. If the network latency between the upstream and downstream is high, for example, more than 100 ms, the latency produced when TiCDC executes SQL statements to the downstream might increase dramatically due to the MySQL transmission protocol issues. This results in a decrease in system throughput. However, deploying TiCDC in the downstream can greatly ease this problem. After optimization, starting from TiCDC v6.5.2, it is recommended that you deploy TiCDC in the upstream TiDB cluster.
 
 ## What is the order of executing DML and DDL statements?