DOC: Clarify docstring

src/caoscrawler/crawl.py

@@ -243,7 +243,7 @@ class TreatedRecordLookUp():
     In the case that the Record is not yet in the remote server, there cannot be a Python object
     with an ID. Thus we might have one with a path and one with an identifiable. If that Record
     does not yet exist, it is necessary that both Python objects have at least either the path or
-    the identifiable in common. Currently, this has to be assured by the user.
+    the identifiable in common.
     """
 
     def __init__(self):