Fix missing backtick

diff --git a/etc/hardware_output.sh b/etc/hardware_output.sh
index 7c9388f..e2332c9 100755 (executable)
--- a/etc/hardware_output.sh
+++ b/etc/hardware_output.sh
@@ -68,7 +68,7 @@ disk_list() {
 nvme_serialno() {
        dev=$1
 
-       sn=`nvme id-ctrl /dev/${dev} | grep sn | awk '{print $3}'
+       sn=`nvme id-ctrl /dev/${dev} | grep sn | awk '{print $3}'`
        echo $sn
 }