DOC: refined doc

src/caoscrawler/crawl.py

@@ -419,7 +419,7 @@ class Crawler(object):
         Returns False if there is at least one property in record which:
         a) is a reference property AND
         b) where the value is set to a db.Entity (instead of an ID) AND
-        c) where the ID of the value is not set (to an integer)
+        c) where the ID of the value (the db.Entity object in b)) is not set (to an integer)
 
         Returns True otherwise.
         """