diff --git a/www/index.html b/www/index.html
index 2583db5..7f550f7 100644
--- a/www/index.html
+++ b/www/index.html
@@ -12,7 +12,7 @@
 	<main>
 	<h1>Integral Demonstration</h1>
 	<div id="coord"></div>
-        <canvas id="canvas" width="600" height="400"></canvas>
+	<canvas id="canvas" width="600" height="400"></canvas>
 	<div id="status">Loading WebAssembly...</div>
 	<div id="control">
 			<label for="math_function">y=</label> <input type="string" id="math_function" value="x^2"> <a href="https://github.com/rekka/meval-rs#supported-expressions">Supported Expressions</a>