some updates

README.md

@@ -44,18 +44,18 @@ func main() {
 	// creates a server with a logger and a recover on panic as middlewares.
 	r := tcp.Default()
 	r.ACK(func(c *tcp.Context) {
-		// new message received
-		// gets the request body
-		buf, err := c.ReadAll()
+        // new message received
+        // gets the request body
+        buf, err := c.ReadAll()
         if err != nil {
             c.Error(err)
         }
-		// writes something as response
-		c.String(string(buf))
+        // writes something as response
+        c.String(string(buf))
 	})
 	err := r.Run(":9090") // listen and serve on 0.0.0.0:9090
 	if err != nil {
-		log.Fatalf("listen: %s", err)
+        log.Fatalf("listen: %s", err)
 	}
 }
 ```