update MD by dispatch event pingcap/docs master

Author: github-actions

markdown-pages/en/tidb/master/download-ecosystem-tools.md

@@ -12,7 +12,7 @@ TiDB Toolkit contains frequently used TiDB tools, such as data export tool Dumpl
 
 > **Tip:**
 >
-> - For TiDB v9.0.0 and later versions, most tools, including sync-diff-inspector, are directly available through TiUP. If your deployment environment has internet access, you can deploy a TiDB tool using a single [TiUP command](/tiup/tiup-component-management.md), so there is no need to download the TiDB Toolkit separately.
+> - For TiDB v8.5.6 and later versions, most tools, including sync-diff-inspector, are directly available through TiUP. If your deployment environment has internet access, you can deploy a TiDB tool using a single [TiUP command](/tiup/tiup-component-management.md), so there is no need to download the TiDB Toolkit separately.
 > - If you need to deploy and maintain TiDB on Kubernetes, instead of downloading the TiDB Toolkit, follow the steps in [TiDB Operator offline installation](https://docs.pingcap.com/tidb-in-kubernetes/stable/deploy-tidb-operator#offline-installation).
 
 ## Environment requirements
@@ -46,7 +46,7 @@ Depending on which tools you want to use, you can install the corresponding offl
 | [TiDB Data Migration (DM)](/dm/dm-overview.md)  | `dm-worker-{version}-linux-{arch}.tar.gz` <br/>`dm-master-{version}-linux-{arch}.tar.gz` <br/>`dmctl-{version}-linux-{arch}.tar.gz`  |
 | [TiCDC](/ticdc/ticdc-overview.md)  | `cdc-{version}-linux-{arch}.tar.gz`  |
 | [Backup & Restore (BR)](/br/backup-and-restore-overview.md)  | `br-{version}-linux-{arch}.tar.gz`  |
-| [sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md)  | For TiDB v9.0.0 and later versions: `tiflow-{version}-linux-{arch}.tar.gz` <br/>For TiDB versions before v9.0.0: `sync_diff_inspector`  |
+| [sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md)  | For TiDB v8.5.6 and later versions: `tiflow-{version}-linux-{arch}.tar.gz` <br/>For TiDB versions before v8.5.6: `sync_diff_inspector`  |
 | [PD Recover](/pd-recover.md)  | `pd-recover-{version}-linux-{arch}.tar` |
 
 > **Note:**

markdown-pages/en/tidb/master/sync-diff-inspector/sync-diff-inspector-overview.md

@@ -23,7 +23,7 @@ This guide introduces the key features of sync-diff-inspector and describes how
 
 The installation method varies depending on your TiDB version:
 
-For TiDB v9.0.0 and later versions:
+For TiDB v8.5.6 and later versions:
 
 + Install using TiUP:
 
@@ -39,7 +39,7 @@ For TiDB v9.0.0 and later versions:
     docker pull pingcap/sync-diff-inspector:latest
     ```
 
-For TiDB versions before v9.0.0:
+For TiDB versions before v8.5.6:
 
 + Binary package from the legacy [`tidb-tools`](https://github.com/pingcap/tidb-tools) repository. The sync-diff-inspector binary package is included in the TiDB Toolkit. To download the TiDB Toolkit, see [Download TiDB Tools](/download-ecosystem-tools.md).