Fixed some comma splices in the 'Insert in bulk' section of db/optimization.txt

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17188 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/topics/db/optimization.txt

@@ -283,21 +283,23 @@ number of SQL queries. For example::
         Entry(headline="Python 3.1 Planned")
     ])
 
-Is preferable to::
+...is preferable to::
 
     Entry.objects.create(headline="Python 3.0 Released")
     Entry.objects.create(headline="Python 3.1 Planned")
 
 Note that there are a number of :meth:`caveats to this method
-<django.db.models.query.QuerySet.bulk_create>`, make sure it is appropriate for
-your use case. This also applies to :class:`ManyToManyFields
-<django.db.models.ManyToManyField>`, doing::
+<django.db.models.query.QuerySet.bulk_create>`, so make sure it's appropriate
+for your use case.
+
+This also applies to :class:`ManyToManyFields
+<django.db.models.ManyToManyField>`, so doing::
 
     my_band.members.add(me, my_friend)
 
-Is preferable to::
+...is preferable to::
 
     my_band.members.add(me)
     my_band.members.add(my_friend)
 
-Where ``Bands`` and ``Artists`` have a many-to-many relationship.
+...where ``Bands`` and ``Artists`` have a many-to-many relationship.