diff --git a/assignment/assignment15.html b/assignment/assignment15.html
index ff9224a45cd2351aed63c4d7281f1759156f7cee..59ad25c247a17a8066a004e0f5b64aff61a34e4a 100644
--- a/assignment/assignment15.html
+++ b/assignment/assignment15.html
@@ -152,8 +152,7 @@ So practise purpose here I am trying to develope the network for ARDUINO board u
 
 									 <h4 id="What i learn" style="border-bottom: 6px solid yellow; background-color: lightgrey" > <strong> What i learn? </strong> </h4>
 								 <p style="justify-content: center"><strong> I am learn about <br>
-								 1. Intellectual property-what is mean and its type.  <br>
-								 2
+								
 														 
 								 </strong> </p>
 
@@ -172,8 +171,6 @@ So practise purpose here I am trying to develope the network for ARDUINO board u
 								<li><span class="fa fa-check"></span><a href="#communication"> Communication</a> </li><br>
 								<li><span class="fa fa-check"></span><a href="#I2C"> I2C Protocol </a> </li><br>
 								<li><span class="fa fa-check"></span><a href="#individual">Individual Assignment</a> </li><br>
-								<li><span class="fa fa-check"></span><a href="#copyright"> Copyright</a> </li><br>
-								<li><span class="fa fa-check"></span><a href="#individual assignment"> Individual Assignment</a> </li><br>
 								<li><span class="fa fa-check"></span><a href="#What i learn"> What I learn?</a> </li><br>
 								
 									
@@ -196,7 +193,8 @@ So practise purpose here I am trying to develope the network for ARDUINO board u
 									<h2>Back</h2>
 								</header>
 								<ul class="style1">
-								<li class="first"><a href="assignment13.html">Assignment 13</a></li> <br>
+								<li class="first"><a href="assignment14.html">Assignment 14</a></li> <br>
+								<li><a href="assignment13.html">Assignment 13</a></li> <br>
 								<li><a href="assignment12.html">Assignment 12</a></li> <br>
 								<li><a href="assignment11.html">Assignment 11</a></li> <br>
 								<li><a href="assignment10.html">Assignment 10</a></li> <br>
@@ -204,22 +202,17 @@ So practise purpose here I am trying to develope the network for ARDUINO board u
 								<li><a href="assignment8.html">Assignment 8</a></li> <br>
 								<li><a href="assignment7.html">Assignment 7</a></li> <br>
 								<li><a href="assignment6.html">Assignment 6</a></li> <br>
-								<li><a href="assignment5.html">Assignment 5</a></li> <br>
-								
-								
-								
-								
-																							
+																						
 								</ul>
 							</section>
 						</div>
 						<div class="6u">
 							<section id="box2">
 								<header>
-									<h2> <a href="assignment15.html">Assignment 15: Networking and Communications</a></h2>
+									<h2> <a href="assignment15.html">Assignment 16: Molding and Casting</a></h2>
 								</header>
 								<div> <a href="assignment15.html" class="image full"><img src="img/" alt=""></a> </div>
-								<p>Write about assignment 15.</p>
+								<p>Write about assignment 16.</p>
 							</section>
 						</div>
 						<div class="3u">
@@ -228,8 +221,7 @@ So practise purpose here I am trying to develope the network for ARDUINO board u
 									<h2>Next</h2>
 								</header>
 								<ul class="style1">					
-									<li class="first"><a href="assignment15.html">Assignment 15</a></li> <br>
-									<li><a href="assignment16.html">Assignment 16</a></li> <br>
+									<li class="first"><a href="assignment16.html">Assignment 16</a></li> <br>
 									<li><a href="assignment17.html">Assignment 17</a></li> <br>
 									<li><a href="assignment18.html">Assignment 18</a></li> <br>
 									<li><a href="assignment19.html">Assignment 19</a></li> <br>
@@ -237,6 +229,7 @@ So practise purpose here I am trying to develope the network for ARDUINO board u
 									<li><a href="assignment2.html">Assignment 2</a></li> <br>
 									<li><a href="assignment3.html">Assignment 3</a></li> <br>
 									<li><a href="assignment4.html">Assignment 4</a></li> <br>
+									<li><a href="assignment5.html">Assignment 5</a></li> <br>
 								</ul>
 							</section>
 						</div>