diff --git a/docs/ref/models/expressions.txt b/docs/ref/models/expressions.txt
index 9ea60ad6cd..baae1e3137 100644
--- a/docs/ref/models/expressions.txt
+++ b/docs/ref/models/expressions.txt
@@ -991,6 +991,8 @@ calling the appropriate methods on the wrapped expression.
         A hook allowing the expression to coerce ``value`` into a more
         appropriate type.
 
+        ``expression`` is the same as ``self``.
+
     .. method:: get_group_by_cols(alias=None)
 
         Responsible for returning the list of columns references by
diff --git a/docs/ref/models/fields.txt b/docs/ref/models/fields.txt
index f997921148..0f0544e6fc 100644
--- a/docs/ref/models/fields.txt
+++ b/docs/ref/models/fields.txt
@@ -2024,6 +2024,8 @@ Field API reference
         backend already returns the correct Python type, or the backend itself
         does the conversion.
 
+        ``expression`` is the same as ``self``.
+
         See :ref:`converting-values-to-python-objects` for usage.
 
         .. note::