From 8e55d7fde28a16fbf9260c8da36c2b8feb66b98b Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Wed, 26 Aug 2020 02:33:38 +0200
Subject: [PATCH] Document `FormulaAudit::KegOnly`.

---
 Library/Homebrew/rubocops/keg_only.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Library/Homebrew/rubocops/keg_only.rb b/Library/Homebrew/rubocops/keg_only.rb
index 820bf79541..6a578b5f7c 100644
--- a/Library/Homebrew/rubocops/keg_only.rb
+++ b/Library/Homebrew/rubocops/keg_only.rb
@@ -5,6 +5,9 @@ require "rubocops/extend/formula"
 module RuboCop
   module Cop
     module FormulaAudit
+      # This cop makes sure that a `keg_only` reason has the correct format.
+      #
+      # @api private
       class KegOnly < FormulaCop
         def audit_formula(_node, _class_node, _parent_class_node, body_node)
           keg_only_node = find_node_method_by_name(body_node, :keg_only)