diff --git a/src/gravity-points-extern/index.html b/src/gravity-points-extern/index.html
index e03f8ab..17f3672 100644
--- a/src/gravity-points-extern/index.html
+++ b/src/gravity-points-extern/index.html
@@ -2,13 +2,13 @@
 <html>
     <head>
         <meta charset="utf-8"/>
-        <title>Fizzy Sparks</title>
+        <title>Gravity Points</title>
         <link href="style.css" rel="stylesheet" />
         <script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.5/dat.gui.min.js"></script>
         <script type="module" src="app.js"></script>
     </head>
     <body>
-        <canvas id="mainCanvas"></canvas>
+        <canvas id="c"></canvas>
         <div class="info">Click to add gravity point.</div>
     </body>
 </html>
