ApplicationRecord documentation pass

This is a pass over the documentation which fills the missing gaps of
`ApplicationRecord`.

[ci skip]

1 files changed, 4 insertions, 4 deletions

diff --git a/guides/source/autoloading_and_reloading_constants.md b/guides/source/autoloading_and_reloading_constants.md
index a39b975c3e..de0fa2fdc0 100644
--- a/guides/source/autoloading_and_reloading_constants.md
+++ b/guides/source/autoloading_and_reloading_constants.md
@@ -181,14 +181,14 @@ constant.
 That is,
 
 ```ruby
-class Project < ActiveRecord::Base
+class Project < ApplicationRecord
 end
 ```
 
 performs a constant assignment equivalent to
 
 ```ruby
-Project = Class.new(ActiveRecord::Base)
+Project = Class.new(ApplicationRecord)
 ```
 
 including setting the name of the class as a side-effect:
@@ -912,7 +912,7 @@ these classes:
 
 ```ruby
 # app/models/polygon.rb
-class Polygon < ActiveRecord::Base
+class Polygon < ApplicationRecord
 end
 
 # app/models/triangle.rb
@@ -987,7 +987,7 @@ root class:
 
 ```ruby
 # app/models/polygon.rb
-class Polygon < ActiveRecord::Base
+class Polygon < ApplicationRecord
 end
 require_dependency ‘square’
 ```