Make the example work (#10)

guides/rails-integration/readme.md

@@ -7,19 +7,15 @@ This guide explains how to use the `live` gem with Ruby on Rails.
 Here is a simple implementation of a real-time clock tag:
 
 ```ruby
-class ClockTag < Live::Tag
-	def initialize(name)
-		@name = name
-	end
-
+class ClockTag < Live::View
 	def bind(page)
 		super
 
 		# Schedule a refresh every second:
 		Async do
 			while true
 				sleep 1
-				replace!
+				update!
 			end
 		end
 	end
@@ -77,4 +73,4 @@ Rails.application.routes.draw do
 	# Live WebSocket:
   match "clock/live", via: [:get, :connect]
 end
-```
+```