From d5c99244fad38a4210382ad381c8c3f7670c839e Mon Sep 17 00:00:00 2001
From: Cody Boone Ferguson <53008573+xexyl@users.noreply.github.com>
Date: Thu, 21 Dec 2023 12:09:28 -0800
Subject: [PATCH] Add note about SoX in 2019/giles

The program play comes from SoX but this was not noted by accident.
---
 2019/giles/README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/2019/giles/README.md b/2019/giles/README.md
index 070756ebb..bc5e77e20 100644
--- a/2019/giles/README.md
+++ b/2019/giles/README.md
@@ -21,6 +21,11 @@ play out.wav
 ```
 
 
+NOTE: `play` comes from SoX, the Swiss Army Knife of sound processing programs.
+If you don't have this installed, see [FAQ 3.10: How do I compile and use an
+IOCCC winner that requires sound](/faq.md#faq3_10).
+
+
 ## Judges' remarks:
 
 Do you need to pretend enjoying a more spacious living environment than you