Fixed #14997 - A typo in "Overriding delete". thanks phunehehe for the report.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15117 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/topics/db/models.txt

@@ -756,8 +756,8 @@ code will automatically support those arguments when they are added.
     Note that the :meth:`~Model.delete()` method for an object is not
     necessarily called when :ref:`deleting objects in bulk using a
     QuerySet<topics-db-queries-delete>`. To ensure customized delete logic
-    gets executed, you can use :data:`~django.db.models.signals.pre_save`
-    and/or :data:`~django.db.models.signals.post_save` signals.
+    gets executed, you can use :data:`~django.db.models.signals.pre_delete`
+    and/or :data:`~django.db.models.signals.post_delete` signals.
 
 Executing custom SQL
 --------------------