Update client.md

Serveur config: correct IPv6 range

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

Author: ageru

docs/guides/vpn/wireguard/client.md

@@ -117,7 +117,7 @@ After a restart, the server file should look like:
 
 ```plain
 [Interface]
-Address = 10.100.0.1/24, fd08:4711::1/128
+Address = 10.100.0.1/24, fd08:4711::1/64
 ListenPort = 47111
 PrivateKey = XYZ123456ABC=                   # PrivateKey will be different