[1.10.x] Refs #27186 -- Fixed model form default fallback for CheckboxSelectMultiple.

Backport of 87c5e7efebd040aef0f0479ccf86877155bb5cea from master

1 files changed, 5 insertions, 4 deletions

diff --git a/docs/ref/forms/widgets.txt b/docs/ref/forms/widgets.txt
index fde7806b02..443b12cce0 100644
--- a/docs/ref/forms/widgets.txt
+++ b/docs/ref/forms/widgets.txt
@@ -281,10 +281,11 @@ foundation for custom widgets.
         The method's result affects whether or not a field in a model form
         :ref:`falls back to its default <topics-modelform-save>`.
 
-        A special case is :class:`~django.forms.CheckboxInput`, which always
-        returns ``False`` because an unchecked checkbox doesn't appear in the
-        data of an HTML form submission, so it's unknown whether or not the
-        user actually submitted a value.
+        Special cases are :class:`~django.forms.CheckboxInput` and
+        :class:`~django.forms.CheckboxSelectMultiple`, which always return
+        ``False`` because an unchecked checkbox doesn't appear in the data of
+        an HTML form submission, so it's unknown whether or not the user
+        actually submitted a value.
 
 ``MultiWidget``
 ---------------