diff --git a/telebot/__init__.py b/telebot/__init__.py
index bac8206..dad0164 100644
--- a/telebot/__init__.py
+++ b/telebot/__init__.py
@@ -576,7 +576,7 @@ class TeleBot:
         its typing status).
         :param chat_id:
         :param action:  One of the following strings: 'typing', 'upload_photo', 'record_video', 'upload_video',
-                        'record_audio', 'upload_audio', 'upload_document', 'find_location'.
+                        'record_audio', 'upload_audio', 'upload_document', 'find_location', 'record_video_note', 'upload_video_note'.
         :return: API reply. :type: boolean
         """
         return apihelper.send_chat_action(self.token, chat_id, action)
diff --git a/telebot/types.py b/telebot/types.py
index 2c5fdb9..475824a 100644
--- a/telebot/types.py
+++ b/telebot/types.py
@@ -283,6 +283,9 @@ class Message(JsonDeserializable):
         if 'new_chat_member' in obj:
             opts['new_chat_member'] = User.de_json(obj['new_chat_member'])
             content_type = 'new_chat_member'
+        if 'new_chat_members' in obj:
+            opts['new_chat_members'] = obj['new_chat_members']
+            content_type = 'new_chat_members'
         if 'left_chat_member' in obj:
             opts['left_chat_member'] = User.de_json(obj['left_chat_member'])
             content_type = 'left_chat_member'