diff --git a/pyrogram/types/user_and_chats/chat_member.py b/pyrogram/types/user_and_chats/chat_member.py
index cff2ac43..4459a8d1 100644
--- a/pyrogram/types/user_and_chats/chat_member.py
+++ b/pyrogram/types/user_and_chats/chat_member.py
@@ -38,7 +38,7 @@ class ChatMember(Object):
             Information about the chat (useful in case of banned channel senders).
 
         joined_date (:py:obj:`~datetime.datetime`, *optional*):
-            Date when the user joined..
+            Date when the user joined.
             Not available for the owner.
 
         custom_title (``str``, *optional*):