diff --git a/bash/ss-install-ubuntu-users.txt b/bash/ss-install-ubuntu-users.txt
index 40d8c07e025a..17ea543bb0e2 100644
--- a/bash/ss-install-ubuntu-users.txt
+++ b/bash/ss-install-ubuntu-users.txt
@@ -77,7 +77,7 @@ ss_adduser "${SUDO_USER}"
 ## assign password to sudo user ##
 echo "${SUDO_USER}:${SUDO_PASSWORD}" | /usr/sbin/chpasswd
 
-# chage -E -1 -m 0 -M -1 -I -1 -W 99999 $SUDO_USER
+# chage -E -1 -m 0 -M -1 -I -1 -W 99999 ${SUDO_USER}
 
 ## ensure home directory exists ##
 mkhomedir_helper "${SUDO_USER}"
@@ -92,7 +92,7 @@ ss_adduser "${SFTP_USER}"
 ## assign password to sftp user ##
 echo "${SFTP_USER}:${SFTP_PASSWORD}" | /usr/sbin/chpasswd
 
-# chage -E -1 -m 0 -M -1 -I -1 -W 99999 $SFTP_USER
+# chage -E -1 -m 0 -M -1 -I -1 -W 99999 ${SFTP_USER}
 
 ## ensure home directory exists ##
 mkhomedir_helper "${SFTP_USER}"