typo in comment

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@14327 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/CMFActivity/ActivityTool.py

@@ -903,7 +903,7 @@ class ActivityTool (Folder, UniqueObject):
         Parameters allowed:
 
         method_id : the id of the method
-        path : for activities on an particular object
+        path : for activities on a particular object
         tag : activities with a particular tag
         message_uid : activities with a particular uid
       """