Update docs

aws/README-zh.md

@@ -12,7 +12,7 @@
 > 
 > 比如 `m5a.large` 可能无法在 `ap-east-1` 区域部署（仅为假设）。在此情况下，你会在部署过程中遇到此错误：`The requested configuration is currently not supported. Please check the documentation for supported configurations`。新开放的 AWS 区域更容易出现此问题，因为它们提供的实例类型较少。如需了解更多关于实例可用性的信息，请参见 [https://instances.vantage.sh/](https://instances.vantage.sh/)。</details>
 
-- VPN 服务器的操作系统（Ubuntu 24.04/**22.04**/20.04, Debian 12/11, Amazon Linux 2）
+- VPN 服务器的操作系统（Ubuntu **24.04**/22.04, Debian 12/11, Amazon Linux 2）
 - 你的 VPN 用户名
 - 你的 VPN 密码
 - 你的 VPN IPsec PSK（预共享密钥）

aws/README.md

@@ -12,7 +12,7 @@ Available customization parameters:
 > 
 > For example, you may not be able to deploy an `m5a.large` instance in `ap-east-1` (hypothetically). In that case, you might experience the following error during deployment: `The requested configuration is currently not supported. Please check the documentation for supported configurations`. Newly released regions are more prone to having this problem as there are less variety of instances. For more info about instance type availability, refer to [https://instances.vantage.sh/](https://instances.vantage.sh/).</details>
 
-- OS for your VPN server (Ubuntu 24.04/**22.04**/20.04, Debian 12/11, Amazon Linux 2)
+- OS for your VPN server (Ubuntu **24.04**/22.04, Debian 12/11, Amazon Linux 2)
 - Your VPN username
 - Your VPN password
 - Your VPN IPsec PSK (pre-shared key)

docs/clients-zh.md

@@ -377,7 +377,7 @@ touch /var/run/xl2tpd/l2tp-control
 ```bash
 service strongswan restart
 
-# 适用于 Ubuntu 20.04，如果 strongswan 服务不存在
+# 适用于 Ubuntu，如果 strongswan 服务不存在
 ipsec restart
 
 service xl2tpd restart

docs/clients.md

@@ -376,7 +376,7 @@ Restart services:
 ```bash
 service strongswan restart
 
-# For Ubuntu 20.04, if strongswan service not found
+# For Ubuntu, if strongswan service not found
 ipsec restart
 
 service xl2tpd restart