Reword comment.

Co-authored-by: Seeker <meaningseeking@protonmail.com>

Library/Homebrew/utils/curl.rb

@@ -128,7 +128,7 @@ def curl_check_http_content(url, user_agents: [:default], check_content: false,
   end
 
   unless http_status_ok?(details[:status])
-    # The URL is protected by CloudFlare.
+    # Check if the URL is protected by CloudFlare.
     if details[:status].to_i == 503 &&
        details[:file].include?("set-cookie: __cfduid=") &&
        details[:file].include?("server: cloudflare")