add docsting

Neetuj · Neetuj · commit 8234ee56d63e · 2014-12-01T10:25:42.000-06:00
diff --git a/SoftLayer/managers/billing.py b/SoftLayer/managers/billing.py
@@ -13,6 +13,10 @@
 
 
 class BillingManager(object):
+    """Manages Billing details.
+
+    :param SoftLayer.managers.orderingManager
+    """
 
     def _format_date(self, date):
         """
