diff --git a/ai/guides/vector-search-full-text-search-sql.md b/ai/guides/vector-search-full-text-search-sql.md
index 8753bf29ce0de..7df8197eabddb 100644
--- a/ai/guides/vector-search-full-text-search-sql.md
+++ b/ai/guides/vector-search-full-text-search-sql.md
@@ -28,7 +28,7 @@ The full-text search feature in TiDB provides the following capabilities:
 
 Full-text search is still in the early stages, and we are continuously rolling it out to more customers. Currently, full-text search is only available on {{{ .starter }}} and {{{ .essential }}} in the following regions:
 
-- AWS: `Oregon (us-west-2)`, `Tokyo (ap-northeast-1)`, `Frankfurt (eu-central-1)`, and `Singapore (ap-southeast-1)`
+- AWS: `Oregon (us-west-2)`, `N.Virginia (us-east-1)`, `Tokyo (ap-northeast-1)`, `Frankfurt (eu-central-1)`, and `Singapore (ap-southeast-1)`
 
 Before using full-text search, make sure your {{{ .starter }}} instance is created in a supported region. If you don't have one, follow [Creating a {{{ .starter }}} instance](/develop/dev-guide-build-cluster-in-cloud.md) to create it.