Minor updates

README.md

@@ -10,16 +10,16 @@ FS Go is a tiny CLI tool in order to spawn a local file server.
 
 In order to build the executable run the following command:
 
-```
-$ go build
+```bash
+go build
 ```
 
 ### START THE SERVER
 
 Starting the server is easy:
 
-```
-$ ./fs-go -port 8080 -dir .
+```bash
+./fs-go -port 8080 -dir .
 ```
 
 Only two parameters are needed:
@@ -32,14 +32,14 @@ Only two parameters are needed:
 If you only want to use this CLI tool as a binary then you can do that
 easily:
 
-```
-$ go install
+```bash
+go install
 ```
 
 Now you can use:
 
-```
-$ fs-go
+```bash
+fs-go
 ```
 
 From anywhere in your system.

main.go

@@ -7,11 +7,13 @@ import (
 	"net/http"
 )
 
+// The port that the fileserver will listen to.
 var port int
+
+// The root directory that will be served.
 var dir string
 
 func main() {
-
 	// Handle the flags that are provided.
 	flag.IntVar(&port, "port", 8080, "The port that the server will listen to.")
 	flag.StringVar(&dir, "dir", ".", "The root directory that will be served.")
@@ -22,11 +24,10 @@ func main() {
 	fs := http.FileServer(http.Dir(dir))
 
 	// Print details to the console.
-	log.Printf("FS - Port: %v | Dir: %v", port, dir)
+	log.Printf("FS - Port: %d | Dir: %s", port, dir)
 
 	// Start the file server.
 	if err := http.ListenAndServe(fmt.Sprintf(":%d", port), fs); err != nil {
 		log.Fatalf("server listen on port %v: %v", port, err)
 	}
-
 }