From 3851087d01d880ff84cf3a2c666b0b9b6c2fa2d5 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Mon, 17 Aug 2020 06:09:57 +0200
Subject: [PATCH] Document `FormulaVersions`.

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

diff --git a/Library/Homebrew/formula_versions.rb b/Library/Homebrew/formula_versions.rb
index 2fb219d85d..ecd67d5270 100644
--- a/Library/Homebrew/formula_versions.rb
+++ b/Library/Homebrew/formula_versions.rb
@@ -2,6 +2,9 @@
 
 require "formula"
 
+# Helper class for traversing a formula's previous versions.
+#
+# @api private
 class FormulaVersions
   include Context