diff --git a/board.html b/board.html
index cd0571a..f8ea723 100644
--- a/board.html
+++ b/board.html
@@ -16,7 +16,9 @@
       <header>
         <!-- The sidebar naviagtion begins here -->
         <nav>
-          <?php include 'naviagtion.html';?>
+          <?php
+          include 'naviagtion.php';
+          ?>
         </nav>
         <!-- The sidebar naviagtion ends here --> 
       </header>
diff --git a/index.html b/index.html
index af25f9e..4dc5664 100644
--- a/index.html
+++ b/index.html
@@ -16,11 +16,9 @@
       <header>
         <!-- The sidebar naviagtion begins here -->
         <nav>
-          <ul>
-            <li><a href="ticket.html">Ticket</a></li>
-            <li><a href="board.html">Board</a></li>
-            <li><a class="active" href="index.html">Home</a></li>
-          </ul>
+          <?php 
+          include 'naviagtion.php';
+          ?>
         </nav>
         <!-- The sidebar naviagtion ends here -->
       </header>
diff --git a/navigation.html b/navigation.php
similarity index 100%
rename from navigation.html
rename to navigation.php
diff --git a/ticket.html b/ticket.html
index 5f8050c..42b2e3a 100644
--- a/ticket.html
+++ b/ticket.html
@@ -16,7 +16,9 @@
       <header>
         <!-- The sidebar naviagtion begins here -->
         <nav>
-          <?php include 'naviagtion.html';?>
+          <?php
+          include 'naviagtion.php';
+          ?>
         </nav>
         <!-- The sidebar naviagtion ends here -->
       </header>