Update docs

Author: hwdsl2

docs/ikev2-howto-zh.md

@@ -489,7 +489,7 @@ sudo chmod 600 ca.cer client.cer client.key
 1. 单击 **Add** 保存 VPN 连接信息。
 1. 启用 **VPN** 连接。
 
-另外，你也可以使用命令行连接。示例步骤请参见 [#1399](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1399) 和 [#1007](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1007)。如果你遇到错误 `Could not find source connection`，编辑 `/etc/netplan/01-netcfg.yaml` 并将 `renderer: networkd` 替换为 `renderer: NetworkManager`，然后运行 `sudo netplan apply`。要连接到 VPN，运行 `sudo nmcli c up VPN`。要断开连接：`sudo nmcli c down VPN`。
+另外，你也可以使用命令行连接。示例步骤请参见 [#1399](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1399)、[#1007](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1007) 和 [#1789](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1789)。如果你遇到错误 `Could not find source connection`，编辑 `/etc/netplan/01-netcfg.yaml` 并将 `renderer: networkd` 替换为 `renderer: NetworkManager`，然后运行 `sudo netplan apply`。如果使用 `nmcli` 连接到 VPN，运行 `sudo nmcli c up VPN`。要断开连接：`sudo nmcli c down VPN`。
 
 连接成功后，你可以到 [这里](https://www.ipchicken.com) 检测你的 IP 地址，应该显示为`你的 VPN 服务器 IP`。
 

docs/ikev2-howto.md

@@ -589,7 +589,7 @@ You can then set up and enable the VPN connection:
 > If you're using the KDE Plasma desktop, you might encounter issues when configuring the VPN through the graphical System Settings. To ensure a smooth setup, we recommend launching the dedicated connection editor instead by running `sudo nm-connection-editor` in a terminal.
 
 
-Alternatively, you may connect using the command line. See [#1399](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1399) and [#1007](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1007) for example steps. If you encounter error `Could not find source connection`, edit `/etc/netplan/01-netcfg.yaml` and replace `renderer: networkd` with `renderer: NetworkManager`, then run `sudo netplan apply`. To connect to the VPN, run `sudo nmcli c up VPN`. To disconnect: `sudo nmcli c down VPN`.
+Alternatively, you may connect using the command line. See [#1399](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1399), [#1007](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1007) and [#1789](https://github.com/hwdsl2/setup-ipsec-vpn/issues/1789) for example steps. If you encounter error `Could not find source connection`, edit `/etc/netplan/01-netcfg.yaml` and replace `renderer: networkd` with `renderer: NetworkManager`, then run `sudo netplan apply`. If using `nmcli` to connect to the VPN, run `sudo nmcli c up VPN`. To disconnect: `sudo nmcli c down VPN`.
 
 Once connected, you can verify that your traffic is being routed properly by [looking up your IP address on Google](https://www.google.com/search?q=my+ip). It should say "Your public IP address is `Your VPN Server IP`".