Delegate application record generator description to orm hooked generator.

activerecord/lib/rails/generators/active_record/application_record/USAGE

@@ -0,0 +1,8 @@
+Description:
+    Generates an `ApplicationRecord` base class for other models to inherit from.
+
+Example:
+    `bin/rails generate application_record`
+
+    This generates the base class. A test is not generated because no
+    behaviour is included in `ApplicationRecord` by default.

railties/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Delegate application record generator description to orm hooked generator.
+
+    *Gannon McGibbon*
+
 *   Show BCC recipients when present in Action Mailer previews.
 
     *Akshay Birajdar*

railties/lib/rails/generators/rails/application_record/application_record_generator.rb

@@ -4,6 +4,10 @@ module Rails
   module Generators
     class ApplicationRecordGenerator < Base # :nodoc:
       hook_for :orm, required: true, desc: "ORM to be invoked"
+
+      class << self
+        delegate(:desc, to: :orm_generator)
+      end
     end
   end
 end