Fixed error in index.html

Author: Shashank Sharma

demo/index.html

@@ -73,7 +73,7 @@ <h2>Sample 1: Inline Edit</h2>
 
     <div class="sample">
       <h2>Sample 2: Full Editor</h2>
-      <textarea id="froala-sample-2" froala ng-model="sample2Text" contentEditable="true" ng-model-options="{ updateOn: 'blur'}"></textarea>
+      <textarea id="froala-sample-2" froala ng-model="sample2Text"></textarea>
       <h4>Rendered Content:</h4>
       <div froala-view="sample2Text"></div>
     </div>