From f98223ba1a77e2bddf866f68e72a964da2d8ffb8 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Fri, 14 Aug 2020 04:35:58 +0200
Subject: [PATCH] Document `EnvConfig`.

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

diff --git a/Library/Homebrew/env_config.rb b/Library/Homebrew/env_config.rb
index f6a578b1ac..a8cc41682f 100644
--- a/Library/Homebrew/env_config.rb
+++ b/Library/Homebrew/env_config.rb
@@ -1,6 +1,9 @@
 # frozen_string_literal: true
 
 module Homebrew
+  # Helper module for querying Homebrew-specific environment variables.
+  #
+  # @api private
   module EnvConfig
     module_function