Merge pull request #17381 from jonatack/patch-8

AR Migrations Guide#Foreign Keys: fix wrong table

guides/source/active_record_migrations.md

@@ -466,7 +466,7 @@ add_foreign_key :articles, :authors
 ```
 
 This adds a new foreign key to the `author_id` column of the `articles`
-table. The key references the `id` column of the `articles` table. If the
+table. The key references the `id` column of the `authors` table. If the
 column names can not be derived from the table names, you can use the
 `:column` and `:primary_key` options.