diff --git a/ckan/logic/action/get.py b/ckan/logic/action/get.py
index 82abfaf9f06..3db861c2fc7 100644
--- a/ckan/logic/action/get.py
+++ b/ckan/logic/action/get.py
@@ -212,8 +212,6 @@ def related_show(context, data_dict=None):
 def related_list(context, data_dict=None):
     '''Return a dataset's related items.
 
-    Either the ``id`` or the ``dataset`` parameter must be given.
-
     :param id: id or name of the dataset (optional)
     :type id: string
     :param dataset: dataset dictionary of the dataset (optional)