diff --git a/README.rst b/README.rst
index 7a4086d..7e5e433 100644
--- a/README.rst
+++ b/README.rst
@@ -18,11 +18,6 @@ Django-cron lets you run Django/Python code on a recurring basis providing basic
 This app solves both issues to a reasonable extent. This is by no means a replacement for queues like Celery ( http://celeryproject.org/ ) etc.
 
 
-WARNING
-=============
-When upgrading from 0.3.6 to later versions you might need to remove existing South migrations, read more: https://docs.djangoproject.com/en/1.7/topics/migrations/#upgrading-from-south
-
-
 Documentation
 =============
 http://django-cron.readthedocs.org/en/latest/
diff --git a/docs/configuration.rst b/docs/configuration.rst
index 07b067f..a5974e3 100644
--- a/docs/configuration.rst
+++ b/docs/configuration.rst
@@ -3,13 +3,13 @@ Configuration
 
 **CRON_CLASSES** - list of cron classes
 
-**DJANGO_CRON_LOCK_BACKEND** - path to lock class, default: ``django_cron.backends.lock.cache.CacheLock``
+**DJANGO_CRON_LOCK_BACKEND** - path to lock class, default: ``"django_cron.backends.lock.cache.CacheLock"``
 
-**DJANGO_CRON_LOCKFILE_PATH** - path where to store files for FileLock, default: ``/tmp``
+**DJANGO_CRON_LOCKFILE_PATH** - path where to store files for FileLock, default: ``"/tmp"``
 
 **DJANGO_CRON_LOCK_TIME** - timeout value for CacheLock backend, default: ``24 * 60 * 60  # 24 hours``
 
-**DJANGO_CRON_CACHE** - cache name used in CacheLock backend, default: ``default``
+**DJANGO_CRON_CACHE** - cache name used in CacheLock backend, default: ``"default"``
 
 **DJANGO_CRON_DELETE_LOGS_OLDER_THAN** - integer, number of days after which log entries will be clear (optional - if not set no entries will be deleted)