diff --git a/include/header.php b/include/header.php
index 48cfad9..79c13ff 100644
--- a/include/header.php
+++ b/include/header.php
@@ -4,12 +4,12 @@
     <meta charset="UTF-8">
     <title>Smart House</title>
 
-    <!-- CSS -->
+    <!-- CSS principal -->
     <link rel="stylesheet" href="../style.css">
 
-    <!-- Chart.js -->
+    <!-- Chart.js local -->
     <script src="../js/chart.min.js"></script>
 </head>
 <body>
 
-<?php require_once 'nav.php'; ?>
\ No newline at end of file
+<?php require_once __DIR__ . '/nav.php'; ?>
\ No newline at end of file
