From 6167607a6ea72fb74eefb943c4566e3cab528cd2 Mon Sep 17 00:00:00 2001
From: Lasse Collin <lasse.collin@tukaani.org>
Date: Mon, 20 May 2024 16:55:00 +0300
Subject: [PATCH] Tests: test_suffix.sh: Add a comment

---
 tests/test_suffix.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/test_suffix.sh b/tests/test_suffix.sh
index c01ffb5b..7fc5996f 100755
--- a/tests/test_suffix.sh
+++ b/tests/test_suffix.sh
@@ -7,6 +7,9 @@
 #
 ###############################################################################
 
+# Optional argument:
+# $1 = directory of the xz executable
+
 # If xz was not built, skip this test. Autotools and CMake put
 # the xz executable in a different location.
 XZ=${1:-../src/xz}/xz