Merge pull request #22315 from takatoshiono/fix-configuring-doc

Fix set_autoload_paths and set_load_path document  [ci skip]

guides/source/configuring.md

@@ -1045,9 +1045,9 @@ Below is a comprehensive list of all the initializers found in Rails in the orde
 
 * `action_mailer.compile_config_methods` Initializes methods for the config settings specified so that they are quicker to access.
 
-* `set_load_path` This initializer runs before `bootstrap_hook`. Adds the `vendor`, `lib`, all directories of `app` and any paths specified by `config.load_paths` to `$LOAD_PATH`.
+* `set_load_path` This initializer runs before `bootstrap_hook`. Adds paths specified by `config.load_paths` and all autoload paths to `$LOAD_PATH`.
 
-* `set_autoload_paths` This initializer runs before `bootstrap_hook`. Adds all sub-directories of `app` and paths specified by `config.autoload_paths` to `ActiveSupport::Dependencies.autoload_paths`.
+* `set_autoload_paths` This initializer runs before `bootstrap_hook`. Adds all sub-directories of `app` and paths specified by `config.autoload_paths`, `config.eager_load_paths` and `config.autoload_once_paths` to `ActiveSupport::Dependencies.autoload_paths`.
 
 * `add_routing_paths` Loads (by default) all `config/routes.rb` files (in the application and railties, including engines) and sets up the routes for the application.