diff --git a/Akash Articles/RegEx/Intro_Basic.html b/Akash Articles/RegEx/Intro_Basic.html
index 3176025..f609f51 100644
--- a/Akash Articles/RegEx/Intro_Basic.html	
+++ b/Akash Articles/RegEx/Intro_Basic.html	
@@ -19,13 +19,6 @@
     overflow:hidden;
 }
 
-/*
-<div class="container">
-<iframe scrolling="no" style="position: absolute; top: -9999em; visibility: hidden;" onload="this.style.position='static'; this.style.visibility='visible';" src="" class="embed"></iframe>
-</div>
-
-*/
-
 </style>
 
 <script>
@@ -42,7 +35,6 @@ document.addEventListener('readystatechange', event => {
 </head>
 
 <body>
-
 <h2 id="regularexpressionregex">Regular Expression (RegEx)</h2>
 
 <p>While filling online forms, haven't you come across errors like "Please enter valid email address" or "Please enter valid phone number".</p>
@@ -93,9 +85,11 @@ document.addEventListener('readystatechange', event => {
 <li>String is a sequence of characters and substring is a contiguous part of a string.</li>
 </ol>
 
+<p><strong>In this article series, we are going to show all examples using live interactive playground, so that you can play with regex.</strong> You can activate playground by just clicking on it.</p>
+
 <h2 id="simplealphanumericcharactermatching">Simple Alpha-numeric character matching</h2>
 
-<p>Simple matching of a specific word can be done as the following:</p>
+<p>Simple matching of a specific word can be done as following:</p>
 
 <div class="container">
 <iframe scrolling="no" style="position: absolute; top: -9999em; visibility: hidden;" onload="this.style.position='static'; this.style.visibility='visible';" src="https://regexr.com/4v1lb" class="embed"></iframe>
