Update README.md

Author: nilyang

README.md

@@ -54,20 +54,20 @@ func main() {
             "server1": "localhost:6379",
         },
     })
-	limiter := redis_rate.NewLimiter(ring)
-	// Optional.
-	limiter.Fallback = rate.NewLimiter(rate.Every(time.Second), 100)
-
-	http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
-		handler(w, req, limiter)
-	})
-
-	http.HandleFunc("/status", func(w http.ResponseWriter, req *http.Request) {
-		statusHandler(w, req, limiter)
-	})
-
-	http.HandleFunc("/favicon.ico", http.NotFound)
-	log.Println("listening on localhost:8888...")
-	log.Println(http.ListenAndServe("localhost:8888", nil))
+    limiter := redis_rate.NewLimiter(ring)
+    // Optional.
+    limiter.Fallback = rate.NewLimiter(rate.Every(time.Second), 100)
+    
+    http.HandleFunc("/", func(w http.ResponseWriter, req *http.Request) {
+        handler(w, req, limiter)
+    })
+    
+    http.HandleFunc("/status", func(w http.ResponseWriter, req *http.Request) {
+        statusHandler(w, req, limiter)
+    })
+    
+    http.HandleFunc("/favicon.ico", http.NotFound)
+    log.Println("listening on localhost:8888...")
+    log.Println(http.ListenAndServe("localhost:8888", nil))
 }
 ```