diff --git a/index.html b/index.html
index f69e5c0..8b7c2e2 100644
--- a/index.html
+++ b/index.html
@@ -2,7 +2,7 @@
 <html>
 <head>
   <meta charset="utf-8">
-  <title>Calculator</title>
+  <title>Calculator and book 1 </title>
   <style>
     html {
       color: #000;
