diff --git a/tasks.md b/tasks.md
index e4a642b..5f0924e 100644
--- a/tasks.md
+++ b/tasks.md
@@ -42,14 +42,23 @@ Represents a connected IRC client.
 ### Third stage
 
 - [✓] Dispatcher (select function for each command)
-- [ ] Implement generic parser (extract command and pass args to command function)
-- [ ] Client has nickname and username
-- [ ] PASS command for authenticate
+- [✓] Implement generic parser (extract command and pass args to command function)
+- [✓] Client has nickname and username
+- [✓] PASS command for authenticate
 
 ### Fourth stage
 
--  [ ] Client can create/connect to channels
-- [ ] JOIN command (user can create channel)
-- [ ] PRIVMSG command (send message to a channel)
+- [✓] Client can create/connect to channels
+- [✓] JOIN command (user can create channel)
+- [✓] PRIVMSG command (send message to a channel)
+- [✓] QUIT command
+- [ ] PRIVMSG difference between channels (#) and users
+
+### Fifth stage
+
+- [ ] PART command (user leaves a channel)
+- [ ] KICK command (operator removes a user from channel)
+- [ ] INVITE command (operator invites a user to channel)
+- [ ] TOPIC command (view or set channel topic)
 
 *It will continue...*