diff --git a/docs/ref/models/querysets.txt b/docs/ref/models/querysets.txt
index f0264ae125..6a6c7b76ce 100644
--- a/docs/ref/models/querysets.txt
+++ b/docs/ref/models/querysets.txt
@@ -2216,7 +2216,7 @@ database query like ``count()`` would.
 ``in_bulk()``
 ~~~~~~~~~~~~~
 
-.. method:: in_bulk(id_list=None, field_name='pk')
+.. method:: in_bulk(id_list=None, *, field_name='pk')
 
 Takes a list of field values (``id_list``) and the ``field_name`` for those
 values, and returns a dictionary mapping each value to an instance of the