diff --git a/sql-statements/sql-statement-flashback-cluster.md b/sql-statements/sql-statement-flashback-cluster.md
index f2abb58f89f00..72a7956973011 100644
--- a/sql-statements/sql-statement-flashback-cluster.md
+++ b/sql-statements/sql-statement-flashback-cluster.md
@@ -11,7 +11,7 @@ Starting from v6.5.6, v7.1.3, v7.5.1, and v7.6.0, TiDB introduces the `FLASHBACK
 
 > **Warning:**
 >
-> The `FLASHBACK CLUSTER TO [TIMESTAMP|TSO]` syntax is not applicable to [{{{ .starter }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter) and [{{{ .essential }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential) instances. To avoid unexpected results, do not execute this statement on {{{ .starter }}} and {{{ .essential }}} instances.
+> The `FLASHBACK CLUSTER TO [TIMESTAMP|TSO]` syntax is not applicable to [{{{ .starter }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter), [{{{ .essential }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential), and [{{{ .premium }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#premium) instances. To avoid unexpected results, do not execute this statement on TiDB Cloud Starter, Essential, and Premium instances.
 
 > **Warning:**
 >
diff --git a/system-variables.md b/system-variables.md
index 615d3732071fa..57a2b9b4bbf44 100644
--- a/system-variables.md
+++ b/system-variables.md
@@ -1728,7 +1728,7 @@ mysql> SELECT job_info FROM mysql.analyze_jobs ORDER BY end_time DESC LIMIT 1;
 
 > **Note:**
 >
-> This variable is read-only for [{{{ .starter }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter) and [{{{ .essential }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential).
+> This variable is read-only for [{{{ .starter }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#starter), [{{{ .essential }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#essential), and [{{{ .premium }}}](https://docs.pingcap.com/tidbcloud/select-cluster-tier#premium).
 
 - Scope: GLOBAL
 - Persists to cluster: Yes