From dec70a88eaddd0af84f38d955c28707c582d1e81 Mon Sep 17 00:00:00 2001
From: Ashley Harvey <machone@gmail.com>
Date: Sun, 23 Feb 2020 15:39:57 -0800
Subject: [PATCH] Clean up the {} syntax and add a note about it.

---
 readme.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/readme.md b/readme.md
index e786b04..6fce724 100644
--- a/readme.md
+++ b/readme.md
@@ -73,7 +73,9 @@ cp readme.txt readme.bak.txt
 ```
 More advanced:
 ```shell
-cp readme{.bak}.txt
+cp readme{,.bak}.txt
+# Note: learn how the {} works with touch foo{1,2,3}.txt and
+see what happens.
 ```
 
 ## copy a folder