diff --git a/cmd/backend/backend.go b/cmd/backend/backend.go
index b04aac8..cf29966 100644
--- a/cmd/backend/backend.go
+++ b/cmd/backend/backend.go
@@ -18,7 +18,7 @@ import (
 var conf = config.New()
 
 func main() {
-	fmt.Println("Running backend service")
+	fmt.Println("[Backend service]")
 
 	// Establish a Rabbit connection.
 	conn, err := rabbit.GetConn(conf.RabbitURL)
@@ -53,7 +53,7 @@ func printMessages(d amqp.Delivery) bool {
 
 // publishInput reads user input, marshals to json, and publishes to
 // a Rabbit exchange with the front-end and database routing keys.
-func publishInput(conn *rabbit.Conn) {
+func publishInput(c *rabbit.Conn) {
 	reader := bufio.NewReader(os.Stdin)
 	for {
 		input, _ := reader.ReadString('\n')
@@ -68,7 +68,7 @@ func publishInput(conn *rabbit.Conn) {
 			log.Fatalf("marshal message: %s", err)
 		}
 
-		err = conn.Publish(conf.Exchange, conf.KeyFront+"."+conf.KeyDB, message)
+		err = c.Publish(conf.Exchange, conf.KeyFront+"."+conf.KeyDB, message)
 		if err != nil {
 			log.Fatalf("publish message: %s", err)
 		}
diff --git a/cmd/database/database.go b/cmd/database/database.go
index d481701..8544d24 100644
--- a/cmd/database/database.go
+++ b/cmd/database/database.go
@@ -16,7 +16,7 @@ import (
 var conf = config.New()
 
 func main() {
-	fmt.Println("Running database service")
+	fmt.Println("[Database service]")
 
 	// Postgres connection
 	connP, err := pgx.Connect(context.Background(), conf.PostgresURL)
@@ -46,14 +46,14 @@ func main() {
 }
 
 // insertToDB inserts a Rabbit message into a Postgres database.
-func insertToDB(d amqp.Delivery, connP *pgx.Conn) bool {
+func insertToDB(d amqp.Delivery, c *pgx.Conn) bool {
 	var message models.Message
 	err := json.Unmarshal(d.Body, &message)
 	if err != nil {
 		log.Fatalf("unmarshal message: %s", err)
 	}
 
-	_, err = connP.Exec(context.Background(), "insert into messages (message, created) values ($1, to_timestamp($2))", message.Text, message.Time/1000)
+	_, err = c.Exec(context.Background(), "insert into messages (message, created) values ($1, to_timestamp($2))", message.Text, message.Time/1000)
 	if err != nil {
 		log.Fatalf("insert into database: %s", err)
 	}