From b0939478d17480740bddcbf1a902de128501433d Mon Sep 17 00:00:00 2001
From: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
Date: Thu, 21 Oct 2021 20:06:34 +0800
Subject: [PATCH] extend/os/mac/diagnostic: fix unqualified macOS version
 reference

Currently, this says something like

    Ruby version 2.6.8 is unsupported on 12.

which is a little cryptic. Let's change that to say

    Ruby version 2.6.8 is unsupported on macOS 12.
---
 Library/Homebrew/extend/os/mac/diagnostic.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/extend/os/mac/diagnostic.rb b/Library/Homebrew/extend/os/mac/diagnostic.rb
index 17b19f27fa..5c7c69e4d7 100644
--- a/Library/Homebrew/extend/os/mac/diagnostic.rb
+++ b/Library/Homebrew/extend/os/mac/diagnostic.rb
@@ -212,7 +212,7 @@ module Homebrew
         return if Homebrew::EnvConfig.developer? && OS::Mac.version.prerelease?
 
         <<~EOS
-          Ruby version #{RUBY_VERSION} is unsupported on #{MacOS.version}. Homebrew
+          Ruby version #{RUBY_VERSION} is unsupported on macOS #{MacOS.version}. Homebrew
           is developed and tested on Ruby #{required_version}, and may not work correctly
           on other Rubies. Patches are accepted as long as they don't cause breakage
           on supported Rubies.