diff --git a/Library/Homebrew/lazy_object.rb b/Library/Homebrew/lazy_object.rb
index d54f15ed7e..8ea44995eb 100644
--- a/Library/Homebrew/lazy_object.rb
+++ b/Library/Homebrew/lazy_object.rb
@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+# An object which lazily evaluates its inner block only once a method is called on it.
+#
+# @api private
 class LazyObject < Delegator
   def initialize(&callable)
     super(callable)