1 files changed, 4 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/reloader.rb b/activesupport/lib/active_support/reloader.rb
index 44062e3491..b26d9c3665 100644
--- a/activesupport/lib/active_support/reloader.rb
+++ b/activesupport/lib/active_support/reloader.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative "execution_wrapper"
+require "active_support/execution_wrapper"
 
 module ActiveSupport
   #--
@@ -28,14 +28,17 @@ module ActiveSupport
 
     define_callbacks :class_unload
 
+    # Registers a callback that will run once at application startup and every time the code is reloaded.
     def self.to_prepare(*args, &block)
       set_callback(:prepare, *args, &block)
     end
 
+    # Registers a callback that will run immediately before the classes are unloaded.
     def self.before_class_unload(*args, &block)
       set_callback(:class_unload, *args, &block)
     end
 
+    # Registers a callback that will run immediately after the classes are unloaded.
     def self.after_class_unload(*args, &block)
       set_callback(:class_unload, :after, *args, &block)
     end