diff --git a/Joining-a-chat-or-channel.md b/Joining-a-chat-or-channel.md
index 41e6845..cff8f07 100644
--- a/Joining-a-chat-or-channel.md
+++ b/Joining-a-chat-or-channel.md
@@ -6,11 +6,11 @@ Once you have the [entity](Retrieving-an-entity) of the channel you want to join
 
 ```python
 from telethon.tl.functions.channels import JoinChannelRequest
-client.invoke(JoinChannelRequest(channel))
+client(JoinChannelRequest(channel))
 
 # In the same way, you can also leave such channel
 from telethon.tl.functions.channels import LeaveChannelRequest
-client.invoke(LeaveChannelRequest(input_channel))
+client(LeaveChannelRequest(input_channel))
 ```
 
 For more on channels, check the [`channels` namespace](https://lonamiwebs.github.io/Telethon/methods/channels/index.html).
@@ -21,7 +21,7 @@ If all you have is a link like this one: `https://t.me/joinchat/AAAAAFFszQPyPEZ7
 
 ```python
 from telethon.tl.functions.messages import ImportChatInviteRequest
-updates = client.invoke(ImportChatInviteRequest('AAAAAEHbEkejzxUjAUCfYg'))
+updates = client(ImportChatInviteRequest('AAAAAEHbEkejzxUjAUCfYg'))
 ```
 
 ## Adding someone else to such chat or channel
@@ -31,7 +31,7 @@ If you don't want to add yourself, maybe because you're already in, you can alwa
 ```python
 from telethon.tl.functions.messages import AddChatUserRequest
 
-client.invoke(AddChatUserRequest(
+client(AddChatUserRequest(
     chat_id,
     user_to_add,
     fwd_limit=10  # allow the user to see the 10 last messages