Update docs

docs/clients-zh.md

@@ -523,7 +523,7 @@ ipsec trafficstatus
 
 **注：** 仅当你使用 IPsec/L2TP 模式连接到 VPN 时，才需要进行下面的注册表更改。对于 [IKEv2](ikev2-howto-zh.md) 和 [IPsec/XAuth](clients-xauth-zh.md) 模式，**不需要** 进行此更改。
 
-要解决此错误，在首次连接之前需要[修改一次注册表](https://documentation.meraki.com/MX-Z/Client_VPN/Troubleshooting_Client_VPN#Windows_Error_809)，以解决 VPN 服务器 和/或 客户端与 NAT （比如家用路由器）的兼容问题。请下载并导入下面的 `.reg` 文件，或者打开 [提升权限命令提示符](http://www.cnblogs.com/xxcanghai/p/4610054.html) 并运行以下命令。**完成后必须重启计算机。**
+要解决此错误，在首次连接之前需要修改一次注册表，以解决 VPN 服务器 和/或 客户端与 NAT （比如家用路由器）的兼容问题。请下载并导入下面的 `.reg` 文件，或者打开 [提升权限命令提示符](http://www.cnblogs.com/xxcanghai/p/4610054.html) 并运行以下命令。**完成后必须重启计算机。**
 
 - 适用于 Windows Vista, 7, 8, 10 和 11 ([下载 .reg 文件](https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0/Fix_VPN_Error_809_Windows_Vista_7_8_10_Reboot_Required.reg))
 
@@ -551,7 +551,7 @@ ipsec trafficstatus
 
 > 错误 691：由于指定的用户名和/或密码无效而拒绝连接。下列条件可能会导致此情况：用户名和/或密码键入错误...
 
-对于错误 789，点击 [这里](https://documentation.meraki.com/MX/Client_VPN/Troubleshooting_Client_VPN#Windows_Error_789) 查看故障排除信息。对于错误 691，你可以尝试删除并重新创建 VPN 连接，按照本文档中的步骤操作。请确保输入了正确的 VPN 登录凭证。
+对于错误 789，点击 [这里](https://documentation.meraki.com/MX/Client_VPN/Guided_Client_VPN_Troubleshooting/Unable_to_Connect_to_Client_VPN_from_Some_Devices) 查看故障排除信息。对于错误 691，你可以尝试删除并重新创建 VPN 连接，按照本文档中的步骤操作。请确保输入了正确的 VPN 登录凭证。
 
 ### Windows 错误 628 或 766
 

docs/clients.md

@@ -521,7 +521,7 @@ ipsec trafficstatus
 
 **Note:** The registry change below is only required if you use IPsec/L2TP mode to connect to the VPN. It is NOT required for the [IKEv2](ikev2-howto.md) and [IPsec/XAuth](clients-xauth.md) modes.
 
-To fix this error, a [one-time registry change](https://documentation.meraki.com/MX-Z/Client_VPN/Troubleshooting_Client_VPN#Windows_Error_809) is required because the VPN server and/or client is behind NAT (e.g. home router). Download and import the `.reg` file below, or run the following from an [elevated command prompt](http://www.winhelponline.com/blog/open-elevated-command-prompt-windows/). **You must reboot your PC when finished.**
+To fix this error, a one-time registry change is required because the VPN server and/or client is behind NAT (e.g. home router). Download and import the `.reg` file below, or run the following from an [elevated command prompt](http://www.winhelponline.com/blog/open-elevated-command-prompt-windows/). **You must reboot your PC when finished.**
 
 - For Windows Vista, 7, 8, 10 and 11 ([download .reg file](https://github.com/hwdsl2/vpn-extras/releases/download/v1.0.0/Fix_VPN_Error_809_Windows_Vista_7_8_10_Reboot_Required.reg))
 
@@ -549,7 +549,7 @@ Although uncommon, some Windows systems disable IPsec encryption, causing the co
 
 > Error 691: The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol is not permitted on the remote access server.
 
-For error 789, click [here](https://documentation.meraki.com/MX/Client_VPN/Troubleshooting_Client_VPN#Windows_Error_789) for troubleshooting information. For error 691, you may try removing and recreating the VPN connection, by following the instructions in this document. Make sure that the VPN credentials are entered correctly.
+For error 789, click [here](https://documentation.meraki.com/MX/Client_VPN/Guided_Client_VPN_Troubleshooting/Unable_to_Connect_to_Client_VPN_from_Some_Devices) for troubleshooting information. For error 691, you may try removing and recreating the VPN connection, by following the instructions in this document. Make sure that the VPN credentials are entered correctly.
 
 ### Windows error 628 or 766