Merge pull request #1607 from Diskun/master

Fixed a little mistake in Django 1.7 release notes

docs/releases/1.7.txt

@@ -47,7 +47,7 @@ but a few of the key features are:
 * A new ``makemigrations`` command provides an easy way to autodetect changes
   to your models and make migrations for them.
 
-* :data:`~django.db.models.signals.post_syncdb` and
+* :data:`~django.db.models.signals.pre_syncdb` and
   :data:`~django.db.models.signals.post_syncdb` have been renamed to
   :data:`~django.db.models.signals.pre_migrate` and
   :data:`~django.db.models.signals.post_migrate` respectively. The