diff --git a/index.html b/index.html
index e407eaa..07d9220 100644
--- a/index.html
+++ b/index.html
@@ -5,11 +5,11 @@
   <meta charset="UTF-8" />
   <link rel="icon" type="image/svg+xml" href="/vite.svg" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>Vite + TS</title>
+  <title>Image to perceived Luminance</title>
 </head>
 
 <body>
-  <h1><b><i>CTRL+V</i></b> <span style="font-weight: 300;">to convert image to perceived lightness (L*)</span></h1>
+  <h1><b><i>CTRL+V</i></b> <span style="font-weight: 300;">to convert image to perceived luminance</span></h1>
 
   <div id="content"></div>
   <script type="module" src="/src/main.ts"></script>
