diff --git a/lessons/04.html b/lessons/04.html
index 1a794f2..0d7c4f6 100644
--- a/lessons/04.html
+++ b/lessons/04.html
@@ -4,7 +4,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Robotika[2]</title>
+    <title>Robotika[3]</title>
 
     <link rel="shortcut icon" href="favicon.ico" type="image/x-icon">
 
