diff --git a/boltcard.service b/boltcard.service
index 01d8d37..6ab02b1 100644
--- a/boltcard.service
+++ b/boltcard.service
@@ -17,7 +17,7 @@ Environment="DB_USER=cardapp"
 Environment="DB_PASSWORD=database_password"
 Environment="DB_NAME=card_db"
 
-ExecStart=/bin/bash /home/ubuntu/boltcard/s_launch
+ExecStart=/bin/bash /home/ubuntu/boltcard/script/s_launch
 
 [Install]
 WantedBy=multi-user.target
diff --git a/db/db.go b/db/db.go
index 58a1148..8a6f3b7 100644
--- a/db/db.go
+++ b/db/db.go
@@ -835,7 +835,7 @@ func Wipe_card(card_name string) (*Card_wipe_info, error) {
 	return &card_wipe_info, nil
 }
 
-func Update_card(card_name string, tx_max int, lnurlw_enable bool) error {
+func Update_card(card_name string, tx_limit_sats int, lnurlw_enable bool) error {
 
 	lnurlw_enable_yn := "N"
 	if lnurlw_enable {
@@ -850,10 +850,10 @@ func Update_card(card_name string, tx_max int, lnurlw_enable bool) error {
 
 	defer db.Close()
 
-	sqlStatement := `UPDATE cards SET tx_max = $2, lnurlw_enable = $3 ` +
+	sqlStatement := `UPDATE cards SET tx_limit_sats = $2, lnurlw_enable = $3 ` +
 		`WHERE card_name = $1;`
 
-	res, err := db.Exec(sqlStatement, card_name, tx_max, lnurlw_enable_yn)
+	res, err := db.Exec(sqlStatement, card_name, tx_limit_sats, lnurlw_enable_yn)
 
 	if err != nil {
 		return err
diff --git a/internalapi/updateboltcard.go b/internalapi/updateboltcard.go
index 6d9e59e..1df3e67 100644
--- a/internalapi/updateboltcard.go
+++ b/internalapi/updateboltcard.go
@@ -16,10 +16,10 @@ func Updateboltcard(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	tx_max_str := r.URL.Query().Get("tx_max")
-	tx_max, err := strconv.Atoi(tx_max_str)
+	tx_limit_sats_str := r.URL.Query().Get("tx_limit_sats")
+	tx_limit_sats, err := strconv.Atoi(tx_limit_sats_str)
 	if err != nil {
-		msg := "updateboltcard: tx_max is not a valid integer"
+		msg := "updateboltcard: tx_limit_sats is not a valid integer"
 		log.Warn(msg)
 		resp_err.Write_message(w, msg)
 		return
@@ -54,12 +54,12 @@ func Updateboltcard(w http.ResponseWriter, r *http.Request) {
 	// log the request
 
 	log.WithFields(log.Fields{
-		"card_name": card_name, "tx_max": tx_max,
-		"enable": enable_flag}).Info("createboltcard API request")
+		"card_name": card_name, "tx_limit_sats": tx_limit_sats,
+		"enable": enable_flag}).Info("updateboltcard API request")
 
 	// update the card record
 
-	err = db.Update_card(card_name, tx_max, enable_flag)
+	err = db.Update_card(card_name, tx_limit_sats, enable_flag)
 	if err != nil {
 		log.Warn(err.Error())
 		return