diff --git a/ng2-components/ng2-alfresco-viewer/README.md b/ng2-components/ng2-alfresco-viewer/README.md
index dfb187f706..b80011b856 100644
--- a/ng2-components/ng2-alfresco-viewer/README.md
+++ b/ng2-components/ng2-alfresco-viewer/README.md
@@ -48,11 +48,13 @@ Add the following dependency to your index.html:
 <script src="node_modules/pdfjs-dist/build/pdf.js"></script>
 <script src="node_modules/pdfjs-dist/build/pdf.worker.js"></script>
 <script src="node_modules/pdfjs-dist/web/pdf_viewer.js"></script>
+<script src="node_modules/alfresco-js-api/dist/alfresco-js-api.js"></script>
 ```
 
-Make sure your systemjs.config has the following configuration:
+The following component needs to be added to your systemjs.config: 
 
-https://github.com/Alfresco/alfresco-ng2-components/blob/master/ng2-components/ng2-alfresco-viewer/demo/systemjs.config.js
+- ng2-translate
+- ng2-alfresco-core
 
 #### Style
 The style of this component is based on material design, so if you want to visualize it correctly you have to add the material
@@ -71,7 +73,40 @@ Also make sure you include these dependencies in your .html page:
 <link rel="stylesheet" href="node_modules/material-design-icons/iconfont/material-icons.css">
 ```
 
-#### Basic usage
+#### Basic usage with node id
+
+```html
+<ng2-alfresco-viewer [overlayMode]="true" [urlFile]="'filename.pdf'"></ng2-alfresco-viewer>
+```
+
+Example of an App that declares the file viewer component :
+
+```ts
+import { Component } from '@angular/core';
+import { bootstrap } from '@angular/platform-browser-dynamic';
+import { VIEWERCOMPONENT } from 'ng2-alfresco-viewer';
+
+@Component({
+    selector: 'my-app',
+    template: `   <alfresco-viewer [showViewer]="true" [overlayMode]="true" [fileNodeId]="fileNodeId">
+                    <div class="mdl-spinner mdl-js-spinner is-active"></div>
+                   </alfresco-viewer>`,
+    directives: [VIEWERCOMPONENT]
+})
+class MyDemoApp {
+
+    fileNodeId: any;
+    
+    constructor() {
+        this.fileNodeId = '09469a81-1ed9-4caa-a5df-8362fc3d096f';    
+    }
+}
+bootstrap(MyDemoApp, [
+    VIEWERCOMPONENT
+]);
+```
+
+#### Basic usage with urlFile
 
 ```html
 <ng2-alfresco-viewer [overlayMode]="true" [urlFile]="'filename.pdf'"></ng2-alfresco-viewer>
@@ -105,11 +140,10 @@ bootstrap(MyDemoApp, [
 
 Attribute     | Options     | Default      | Description | Mandatory
 ---           | ---         | ---          | ---         | ---
-`urlFile`         | *string*    |        |  Url where to load the file | mandatory
-`fileName`         | *string*    | Parsed from `urlFile` |  Name of the file to display in the title bar. If not specified will take the last part of the URL |
-`overlayMode`         | *boolean*    | `false`        | if true Show the Viewer full page over the present content |
+`fileNodeId`         | *string*    |        |  node Id of the file to load the file | 
+`urlFile`         | *string*    |        |  If you want laod an external file that not comes from the ECM you can use this Url where to load the file | 
+`overlayMode`         | *boolean*    | `false`        | if true Show the Viewer full page over the present content otherwise will fit the parent div  |
 `showViewer`         | *boolean*    | `true`        | Hide or show the viewer |
-`mimeType`         | *string*    | `true`        | MimeType of the file, used to detect if the browser can display the content. If not supplied the component will attempt to guess based on file extension of the `urlFile` |
 
 ## Build from sources
 Alternatively you can build component from sources with the following commands:
diff --git a/ng2-components/ng2-alfresco-viewer/demo/src/main.ts b/ng2-components/ng2-alfresco-viewer/demo/src/main.ts
index 4f6296c12d..665b3caa91 100644
--- a/ng2-components/ng2-alfresco-viewer/demo/src/main.ts
+++ b/ng2-components/ng2-alfresco-viewer/demo/src/main.ts
@@ -47,9 +47,9 @@ import {
                 <input id="token" type="text" size="48"  [(ngModel)]="servicePath"><br>
         <div class="container" *ngIf="authenticated">
             <alfresco-viewer
-                    [fileNodeId]="'09469a81-1ed9-4caa-a5df-8362fc3d096f'"
                     [showViewer]="true"
-                    [overlayMode]="true">
+                    [overlayMode]="true"
+                    [urlFile]="'localTestFile.pdf'">
                     <div class="mdl-spinner mdl-js-spinner is-active"></div>
                    </alfresco-viewer>
                    </div>`,