diff --git a/TOC-tidb-cloud.md b/TOC-tidb-cloud.md
index 0e5b7b853ff1f..98b32f090c14a 100644
--- a/TOC-tidb-cloud.md
+++ b/TOC-tidb-cloud.md
@@ -285,15 +285,15 @@
   - [Billing from AWS or GCP Marketplace](/tidb-cloud/tidb-cloud-billing.md#billing-from-aws-marketplace-or-google-cloud-marketplace)
   - [Billing for Changefeed](/tidb-cloud/tidb-cloud-billing-ticdc-rcu.md)
   - [Billing for Data Migration](/tidb-cloud/tidb-cloud-billing-dm.md)
-- Managed Service Provider
+- Managed Service Provider Program
   - [Managed Service Provider](/tidb-cloud/managed-service-provider.md)
   - [MSP Customer](/tidb-cloud/managed-service-provider-customer.md)
 - API
   - [API Overview](/tidb-cloud/api-overview.md)
   - API Reference
     - v1beta1
-      - [API Key](https://docs.pingcap.com/tidbcloud/api/v1beta1/apikey)
       - [Billing](https://docs.pingcap.com/tidbcloud/api/v1beta1/billing)
+      - [IAM](https://docs.pingcap.com/tidbcloud/api/v1beta1/apikey)
       - [MSP](https://docs.pingcap.com/tidbcloud/api/msp/v1beta1)
     - [v1beta](https://docs.pingcap.com/tidbcloud/api/v1beta)
 - Integrations
diff --git a/tidb-cloud/api-overview.md b/tidb-cloud/api-overview.md
index fdcf6c779fcf9..e63e485b09f09 100644
--- a/tidb-cloud/api-overview.md
+++ b/tidb-cloud/api-overview.md
@@ -24,8 +24,8 @@ To start using TiDB Cloud API, refer to the following resources in TiDB Cloud AP
 - [Rate Limiting](https://docs.pingcap.com/tidbcloud/api/v1beta#section/Rate-Limiting)
 - API Full References
     - v1beta1
-        - [API Key](https://docs.pingcap.com/tidbcloud/api/v1beta1/apikey)
         - [Billing](https://docs.pingcap.com/tidbcloud/api/v1beta1/billing)
+        - [IAM](https://docs.pingcap.com/tidbcloud/api/v1beta1/apikey)
         - [MSP](https://docs.pingcap.com/tidbcloud/api/msp/v1beta1)
     - [v1beta](https://docs.pingcap.com/tidbcloud/api/v1beta#tag/Project)
 - [Changelog](https://docs.pingcap.com/tidbcloud/api/v1beta#section/API-Changelog)
diff --git a/tidb-cloud/tidb-cloud-release-notes.md b/tidb-cloud/tidb-cloud-release-notes.md
index e9890056b8e52..fad4066dbd137 100644
--- a/tidb-cloud/tidb-cloud-release-notes.md
+++ b/tidb-cloud/tidb-cloud-release-notes.md
@@ -19,7 +19,7 @@ This page lists the release notes of [TiDB Cloud](https://www.pingcap.com/tidb-c
 
     Note: The previous global-level CIDR settings for projects are retired, but all existing regional CIDR in active state remain unaffected. There will be no impact on the network of existing clusters.
 
-    For more information, see [Set a CIDR for a region](/tidb-cloud/set-up-vpc-peering-connections.md#prerequisite-set-a-project-cidr).
+    For more information, see [Set a CIDR for a region](/tidb-cloud/set-up-vpc-peering-connections.md#prerequisite-set-a-cidr-for-a-region).
 
 - TiDB Serverless users now have the capability to disable public endpoints for your clusters.