diff --git a/navigation.php b/navigation.php
index 2a038d7..a414167 100644
--- a/navigation.php
+++ b/navigation.php
@@ -1,8 +1,7 @@
  <?php
- echo "
-  <ul>
+ echo '<ul>
     <li><a href="ticket.php">Ticket</a></li>
     <li><a href="board.php">Board</a></li>
     <li><a class="active" href="index.php">Home</a></li>
-  </ul>"
+  </ul>'
 ?>