fix: fixed some mistakes in pushover service

cmd/pushover.go

@@ -9,7 +9,7 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-// slackPingMe struct holds data parsed via flags for slack service.
+// pushOver struct holds data parsed via flags for pushover service
 type pushOver struct {
 	Token     string
 	Recipient string

main.go

@@ -20,7 +20,7 @@ func main() {
 	app.Description = `PingMe is a CLI tool which provides the ability to send messages or alerts to multiple 
 messaging platforms and also email, everything is configurable via environment
 variables and command line switches.Currently supported platforms include Slack, Telegram,
-RocketChat, Discord, Microsoft Teams and email address.`
+RocketChat, Discord, Pushover, Microsoft Teams and email address.`
 	// app.Commands contains the subcommands as functions which return []*cli.Command.
 	app.Commands = []*cli.Command{
 		cmd.SendToTelegram(),