Chapter 1 - fetch.go fix

ch1/fetch.go

@@ -9,7 +9,7 @@ import (
 )
 
 func main() {
-	for _, url := range os.Args[:1] {
+	for _, url := range os.Args[1:] {
 		resp, err := http.Get(url)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "fetch: %v\n", err)