Edited models/options.txt changes from [17314]

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17420 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/models/options.txt

@@ -255,10 +255,10 @@ Django quotes column and table names behind the scenes.
         unique_together = ("driver", "restaurant")
 
     A :class:`~django.db.models.ManyToManyField` cannot be included in
-    unique_together (it's not even clear what that would mean). If you
+    unique_together. (It's not clear what that would even mean!) If you
     need to validate uniqueness related to a
-    :class:`~django.db.models.ManyToManyField`, look at signals or
-    using an explicit :attr:`through <ManyToManyField.through>` model.
+    :class:`~django.db.models.ManyToManyField`, try using a signal or
+    an explicit :attr:`through <ManyToManyField.through>` model.
 
 ``verbose_name``
 ----------------