correct typo

templates/schedule/event_tickets_about.html

@@ -32,7 +32,7 @@ <h2>Workshop sign-up</h2>
 <p>All under-16s attending workshops must be accompanied by an adult. For youth
   workshops, adults accompanying under-16s do not need their own ticket for the workshop.
   For workshops running outside the youth workshop tent, adults accompanying children
-  will need their own ticket for as well.</p>
+  will need their own ticket as well.</p>
 
 <p>On Wednesday 29th May lottery places will be allocated. The lottery will be
   closed from this point onwards.</p>