typo

git-svn-id: https://svn.erp5.org/repos/public/erp5/sandbox/amount_generator@36915 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/interfaces/business_process.py

@@ -336,7 +336,7 @@ class ITradePhaseProcess(Interface):
     """
 
   def isTradePhaseCompleted(explanation, trade_phase):
-    """Returns True all business link with given trade_phase
+    """Returns True if all business link with given trade_phase
     applicable to given explanation are completed.
 
     explanation -- an Order, Order Line, Delivery or Delivery Line or