diff --git a/telegram/connect.go b/telegram/connect.go
index 3a5a91f..cb9936a 100644
--- a/telegram/connect.go
+++ b/telegram/connect.go
@@ -164,6 +164,7 @@ func (c *Client) interactor() {
 		log.Debugf("%#v", state)
 
 		switch stateType {
+		// stage 0: set login
 		case client.TypeAuthorizationStateWaitPhoneNumber:
 			log.Warn("Logging in...")
 			if c.Session.Login != "" {
@@ -171,12 +172,15 @@ func (c *Client) interactor() {
 			} else {
 				gateway.SendMessage(c.jid, "", "Please, enter your Telegram login via /login 12345", c.xmpp)
 			}
+		// stage 1: wait for auth code
 		case client.TypeAuthorizationStateWaitCode:
 			log.Warn("Waiting for authorization code...")
 			gateway.SendMessage(c.jid, "", "Please, enter authorization code via /code 12345", c.xmpp)
+		// stage 2: wait for 2fa
 		case client.TypeAuthorizationStateWaitPassword:
 			log.Warn("Waiting for 2FA password...")
 			gateway.SendMessage(c.jid, "", "Please, enter 2FA passphrase via /password 12345", c.xmpp)
+		// stage 3: auth completed
 		case client.TypeAuthorizationStateReady:
 			var err error