From bfae195b0a2c8dae755610a7e23add5c6bc37b5e Mon Sep 17 00:00:00 2001
From: sage <laymonage@gmail.com>
Date: Sat, 13 Apr 2019 09:17:33 +0700
Subject: [PATCH] Fixed #30326 -- Doc'd how to avoid persistence of F()
 assignment.

---
 docs/ref/models/expressions.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/ref/models/expressions.txt b/docs/ref/models/expressions.txt
index 4dc8d9476a..fc26a5c18c 100644
--- a/docs/ref/models/expressions.txt
+++ b/docs/ref/models/expressions.txt
@@ -181,7 +181,9 @@ instance and will be applied on each :meth:`~Model.save()`. For example::
     reporter.save()
 
 ``stories_filed`` will be updated twice in this case. If it's initially ``1``,
-the final value will be ``3``.
+the final value will be ``3``. This persistence can be avoided by reloading the
+model object after saving it, for example, by using
+:meth:`~Model.refresh_from_db()`.
 
 Using ``F()`` in filters
 ~~~~~~~~~~~~~~~~~~~~~~~~