diff --git a/docs/topics/auth/customizing.txt b/docs/topics/auth/customizing.txt
index 333e0c9fd1..a6cdfdc591 100644
--- a/docs/topics/auth/customizing.txt
+++ b/docs/topics/auth/customizing.txt
@@ -446,7 +446,7 @@ different User model.
             from django.conf import settings
             from django.db.models.signals import post_save
 
-            def post_save_receiver(signal, sender, instance, **kwargs):
+            def post_save_receiver(sender, instance, created, **kwargs):
                 pass
 
             post_save.connect(post_save_receiver, sender=settings.AUTH_USER_MODEL)