Migrated _setup_query() docstring to America

git-svn-id: http://code.djangoproject.com/svn/django/trunk@7488 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/db/models/sql/subqueries.py

@@ -95,7 +95,7 @@ class UpdateQuery(Query):
 
     def _setup_query(self):
         """
-        Runs on initialisation and after cloning. Any attributes that would
+        Runs on initialization and after cloning. Any attributes that would
         normally be set in __init__ should go in here, instead, so that they
         are also set up after a clone() call.
         """