From dcd6ceb0c90866272b3e75f9d34ef9f13cfb33c6 Mon Sep 17 00:00:00 2001
From: marksiemers <mark.siemers@gmail.com>
Date: Wed, 15 Mar 2017 12:38:49 -0700
Subject: Update 'Building Complex Forms' with `inverse_of`

If the example for complex forms is implemented, ActiveRecord will prevent saving unless `inverse_of: :person` is added to the `has_many :addresses` association.
---
 guides/source/form_helpers.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'guides')

diff --git a/guides/source/form_helpers.md b/guides/source/form_helpers.md
index 0508b0fb38..95c2e33dc7 100644
--- a/guides/source/form_helpers.md
+++ b/guides/source/form_helpers.md
@@ -877,7 +877,7 @@ Active Record provides model level support via the `accepts_nested_attributes_fo
 
 ```ruby
 class Person < ApplicationRecord
-  has_many :addresses
+  has_many :addresses, inverse_of: :person
   accepts_nested_attributes_for :addresses
 end
 
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