fixed typo

Author: jmstriegel

offline.html

@@ -278,7 +278,7 @@ <h3>Teach with Coder</h3>
   ga('create', 'UA-41998892-1', 'googlecreativelab.github.io');
   ga('send', 'pageview');
 
-  $(document).ready( funciton() {
+  $(document).ready( function() {
     $('a.trackdl').click(function() {
       var version = $(this).attr('data-version');      
       ga('send', 'event', 'download', 'click', version );