diff --git a/src/cli/gateway-cli/run.ts b/src/cli/gateway-cli/run.ts
index 0f494812f14..a13b99ca200 100644
--- a/src/cli/gateway-cli/run.ts
+++ b/src/cli/gateway-cli/run.ts
@@ -364,7 +364,7 @@ export function addGatewayRunCommand(cmd: Command): Command {
       "--token <token>",
       "Shared token required in connect.params.auth.token (default: OPENCLAW_GATEWAY_TOKEN env if set)",
     )
-    .option("--auth <mode>", 'Gateway auth mode ("token"|"password")')
+    .option("--auth <mode>", 'Gateway auth mode ("none"|"token"|"password"|"trusted-proxy")')
     .option("--password <password>", "Password for auth mode=password")
     .option("--tailscale <mode>", 'Tailscale exposure mode ("off"|"serve"|"funnel")')
     .option(