edit README.md

README.md

@@ -13,26 +13,26 @@ Usage
 
 ```
 // virtualSpots means virtual spots created by each node
-	nodeWeight := make(map[string]int)
-	nodeWeight["node1"] = 1
-	nodeWeight["node2"] = 1
-	nodeWeight["node3"] = 2
-	vitualSpots := 100
-	hash := NewHashRing(virtualSpots)
+nodeWeight := make(map[string]int)
+nodeWeight["node1"] = 1
+nodeWeight["node2"] = 1
+nodeWeight["node3"] = 2
+vitualSpots := 100
+hash := NewHashRing(virtualSpots)
 	
 	
-	//add nodes
-	hash.AddNodes(nodeWeight)
+//add nodes
+hash.AddNodes(nodeWeight)
 	
-	//remove node
-	hash.RemoveNode("node3")
+//remove node
+hash.RemoveNode("node3")
 
 	
-	//add node
-	hash.AddNode("node3", 3)
+//add node
+hash.AddNode("node3", 3)
 
 	
-	//get key's node
-	node := hash.GetNode("key")
+//get key's node
+node := hash.GetNode("key")
 
 ```