diff --git a/demo/index.html b/demo/index.html
index a1225adaf..398debdb5 100644
--- a/demo/index.html
+++ b/demo/index.html
@@ -43,7 +43,7 @@ <h2>editor</h2>
     </div>
 
     <div class="pane">
-      <h2>serilized mobiledoc</h2>
+      <h2>serialized mobiledoc</h2>
       <div id="serialized-mobiledoc">
       </div>
     </div>