diff --git a/example.py b/example.py
index 451f4d400..a9420d87b 100644
--- a/example.py
+++ b/example.py
@@ -1,5 +1,5 @@
 import stripe
 stripe.api_key = '26OjYWkUnwDegILl9ZNVbefRjRboRSio'
 print "Attempting charge..."
-resp = stripe.Charge.execute(amount=200, currency='usd', card={'number' : '4242424242424242', 'exp_month' : 10, 'exp_year' : 2014}, mnemonic='customer@gmail.com')
+resp = stripe.Charge.execute(amount=200, currency='usd', card={'number' : '4242424242424242', 'exp_month' : 10, 'exp_year' : 2014}, description='customer@gmail.com')
 print 'Success: %r' % (resp, )