From b26f56692ddb0d5c460fe171e0a417001657fbce Mon Sep 17 00:00:00 2001
From: OZAWA Sakuro <sakuro@2238.club>
Date: Mon, 2 Sep 2019 11:55:09 +0900
Subject: [PATCH] Surround mutually exclusive arguments with curly braces

---
 lib/commands/version_commands.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/commands/version_commands.sh b/lib/commands/version_commands.sh
index adf9fb1c..47710ade 100644
--- a/lib/commands/version_commands.sh
+++ b/lib/commands/version_commands.sh
@@ -81,7 +81,7 @@ global_command() {
 # Output from this command must be executable shell code
 shell_command() {
   if [ "$#" -lt "2" ]; then
-    echo "Usage: asdf shell <name> <version> | --unset" >&2
+    echo "Usage: asdf shell <name> {<version>|--unset}" >&2
     echo 'false'
     exit 1
   fi