From 986cd28f95c77bd14907726caa0f8b0734a4e581 Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Thu, 24 Sep 2020 10:03:24 +0200
Subject: [PATCH] [3.1.x] Refs #32038 -- Added note to ModelAdmin.list_filter
 docs that GenericForeignKeys are not supported.

Backport of 33e91f3ed8ce6412d9d0964acb59166579b9b20c from master
---
 docs/ref/contrib/admin/index.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/ref/contrib/admin/index.txt b/docs/ref/contrib/admin/index.txt
index 1fadbcf0d5..1d3b73fb29 100644
--- a/docs/ref/contrib/admin/index.txt
+++ b/docs/ref/contrib/admin/index.txt
@@ -992,6 +992,11 @@ subclass::
         The ``FieldListFilter`` API is considered internal and might be
         changed.
 
+      .. note::
+
+        The :class:`~django.contrib.contenttypes.fields.GenericForeignKey`
+        field is not supported.
+
       .. versionadded:: 3.1
 
           The ``EmptyFieldListFilter`` class was added.