Update setUser example

Author: dcramer

src/sentry/templates/sentry/partial/client_config/javascript.html

@@ -21,7 +21,7 @@
 
 <p>{% trans "Add additional user context if it's available:" %}</p>
 
-<pre>Raven.setUser({
+<pre>Raven.setUserContext({
     email: '&lt;?php echo $_SESSION['email'] ?&gt;',
     id: '&lt;?php echo $_SESSION['id'] ?&gt;'
 });</pre>