diff --git a/README.md b/README.md
index 4b93fcc..e86db7b 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,7 @@ Options:
   -p, --proxy <URL>     Proxy URL in the form proto://[username[:password]@]host:port
   -d, --dns <method>    DNS handling [default: virtual] [possible values: virtual, none]
   -s, --setup <method>  Routing and system setup [possible values: auto]
+      --setup-ip <IP>   Public proxy IP used in routing setup
   -h, --help            Print help
   -V, --version         Print version
 ```
diff --git a/src/main.rs b/src/main.rs
index 6730d47..13aec98 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -33,8 +33,8 @@ struct Args {
     #[arg(short, long, value_name = "method", value_enum)]
     setup: Option<ArgSetup>,
 
-    /// Proxy IP as used in routing setup
-    #[arg(long, value_name = "ip")]
+    /// Public proxy IP used in routing setup
+    #[arg(long, value_name = "IP")]
     setup_ip: Option<IpAddr>,
 }