diff --git a/HTML Basic/HTML/Chapter1_6.html b/HTML Basic/HTML/Chapter1_6.html
index a046d35..7a35265 100644
--- a/HTML Basic/HTML/Chapter1_6.html	
+++ b/HTML Basic/HTML/Chapter1_6.html	
@@ -5,6 +5,7 @@
 	<title>Document</title>
 
 <style>
+	<-- internal styling -->
 #header {
     background-color:black;
     color:white;
@@ -42,12 +43,15 @@
 <h1>City Gallery</h1>
 </div>
 
+	
+<main>	
 <div id="nav">
 London<br>
 Paris<br>
 Tokyo<br>
 </div>
 
+<section>	
 <div id="section">
 <h1>London</h1>
 <p>
@@ -59,9 +63,11 @@ <h1>London</h1>
 its history going back to its founding by the Romans, who named it Londinium.
 </p>
 </div>
-
+</section>	
+</main>
+	
 <div id="footer">
 Copyright © W3Schools.com
 </div>
 </body>
-</html>
\ No newline at end of file
+</html>