documentation: Fix typo

Signed-off-by: yanwo <[email protected]>

docs/configuration/endpoint/index.zh.md

@@ -25,7 +25,7 @@ icon: material/new-box
 
 | 类型          | 格式                        |
 |-------------|---------------------------|
-| `wireguard` | [WireGuard](./wiregaurd/) |
+| `wireguard` | [WireGuard](./wireguard/) |
 | `tailscale` | [Tailscale](./tailscale/) |
 
 #### tag