diff --git a/index.html b/index.html
index 1169cf8..020fbd8 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
    <title>WebStrayer v.1 - Nicholas Pease</title>
     <script src="script.js"></script>
   </head>
-  <body onload="changePDF('chapter1)">
+  <body onload="changePDF('chapter1')">
     <table width="100%" height="100%">
       <tr width="100%" height="100%">
       <td width="15%">
