Fix URL name

Author: ericholscher

readthedocs/donate/urls.py

@@ -8,7 +8,7 @@
 urlpatterns = [
     url(r'^$', DonateListView.as_view(), name='donate'),
     url(r'^pay/$', PayAdsView.as_view(), name='pay_ads'),
-    url(r'^pay/success/$', PaySuccess.as_view(), name='pay_ads'),
+    url(r'^pay/success/$', PaySuccess.as_view(), name='pay_success'),
     url(r'^contribute/$', DonateCreateView.as_view(), name='donate_add'),
     url(r'^contribute/thanks$', DonateSuccessView.as_view(), name='donate_success'),
     url(r'^view/(?P<promo_id>\d+)/(?P<hash>.+)/$', view_proxy, name='donate_view_proxy'),