Update README.md

README.md

@@ -4,7 +4,7 @@ Javascript library for async data flow  implementation for browsers.
 - [Channel Client JS](#channel-client-js)
 - [How to use](#how-to-use)
   - [Install](#install)
-  - [Usage](#asyncClient-basic-usage-example)
+  - [Usage](#asyncclient-basic-usage-example)
 - [How can I help?](#how-can-i-help)
 
 ## How to use
@@ -19,9 +19,7 @@ npm install chanjs-client --save
 
 ### AsyncClient basic usage example
 You can understand better the flow with this sequence diagram.
-
-<img src="https://raw.githubusercontent.com/bancolombia/async-dataflow-channel-client-js/master/doc/sequence-diagram-async-data-flow.png" width="600">
-
+![imagen](https://user-images.githubusercontent.com/12372370/137554898-0d652b9c-2598-4e1b-b681-554e0a9f00e7.png)
 
 
 ```javascript