diff --git a/README.md b/README.md
index 1d7f94a..62b1662 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ The wrapper exposes two subcommands:
 
 ### `setup`
 
-Runs `claude /login` to authenticate with Anthropic.
+Runs `claude auth login` to authenticate with Anthropic.
 
 ```sh
 strawpot_claude_code setup
diff --git a/claude_code/wrapper/main.go b/claude_code/wrapper/main.go
index 6a0adea..8f52b4f 100644
--- a/claude_code/wrapper/main.go
+++ b/claude_code/wrapper/main.go
@@ -46,10 +46,17 @@ func cmdSetup() {
 		os.Exit(1)
 	}
 
+	fmt.Fprintln(os.Stderr, "Starting Claude Code login...")
+	fmt.Fprintln(os.Stderr, "If a browser window does not open, copy the URL from the output below.")
+	fmt.Fprintln(os.Stderr)
+
 	cmd := exec.Command(claudePath, "auth", "login")
 	cmd.Stdin = os.Stdin
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
+	// Inherit full environment so DISPLAY/WAYLAND_DISPLAY are available
+	// for browser opening on Linux.
+	cmd.Env = os.Environ()
 
 	if err := cmd.Run(); err != nil {
 		if exitErr, ok := err.(*exec.ExitError); ok {