diff --git a/lesson01/index.html b/lesson01/index.html
index 36f5560..9924667 100644
--- a/lesson01/index.html
+++ b/lesson01/index.html
@@ -188,7 +188,7 @@
 <body onload="webGLStart();">
     <a href="http://learningwebgl.com/blog/?p=28">&lt;&lt; Back to Lesson 1</a><br />
 
-    <canvas id="lesson01-canvas" style="border: none;" width="500" height="500"></canvas>
+    <canvas id="lesson01-canvas" style="border: none;" width="100" height="100"></canvas>
 
     <br/>
     <a href="http://learningwebgl.com/blog/?p=28">&lt;&lt; Back to Lesson 1</a><br />
