change: default port to 8080

README.md

@@ -10,4 +10,4 @@ The only thing it does is serving static files in the current directory.
 httpserve [port_number]
 ```
 
-The default port number is `3000`.
+The default port number is `8080`.

main.go

@@ -27,7 +27,7 @@ func getLocalAddr() (string, error) {
 }
 
 func main() {
-	listenPort := 3000
+	listenPort := 8080
 
 	var err error
 	if len(os.Args) >= 2 {