Fix typo

views/content.py

@@ -40,7 +40,7 @@ affk = uicfg.autoform_field_kwargs
 @objectify_predicate
 def is_typed_reference(cls, req, entity=None, **kwargs):
     """Return positive score for content's typed data object references (IsPartOf, VersionOf, etc.), not
-    used those starting directly from archive unit.
+    those starting directly from archive unit.
     """
     if entity is None or not entity.has_eid():
         try: