diff --git a/telebot/__init__.py b/telebot/__init__.py
index 466f939ce..b7df22505 100644
--- a/telebot/__init__.py
+++ b/telebot/__init__.py
@@ -1368,7 +1368,9 @@ def close(self) -> bool:
     
     def set_message_reaction(self, chat_id: Union[int, str], message_id: int, reaction: Optional[List[types.ReactionType]]=None, is_big: Optional[bool]=None) -> bool:
         """
-        Use this method to set a reaction to a message in a chat. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
+        Use this method to change the chosen reactions on a message. 
+        Service messages can't be reacted to. Automatically forwarded messages from a channel to its discussion group have the same
+        available reactions as messages in the channel. Returns True on success.
 
         Telegram documentation: https://core.telegram.org/bots/api#setmessagereaction
 
@@ -1841,9 +1843,7 @@ def delete_message(self, chat_id: Union[int, str], message_id: int,
     
     def delete_messages(self, chat_id: Union[int, str], message_ids: List[int]):
         """
-        Use this method to delete multiple messages in a chat. 
-        The number of messages to be deleted must not exceed 100. 
-        If the chat is a private chat, the user must be an administrator of the chat for this to work and must have the appropriate admin rights. 
+        Use this method to delete multiple messages simultaneously. If some of the specified messages can't be found, they are skipped.
         Returns True on success.
 
         Telegram documentation: https://core.telegram.org/bots/api#deletemessages
@@ -1863,7 +1863,11 @@ def delete_messages(self, chat_id: Union[int, str], message_ids: List[int]):
     def forward_messages(self, chat_id: Union[str, int], from_chat_id: Union[str, int], message_ids: List[int], disable_notification: Optional[bool]=None,
                          message_thread_id: Optional[int]=None, protect_content: Optional[bool]=None) -> List[types.MessageID]:
         """
-        Use this method to forward messages of any kind.
+        Use this method to forward multiple messages of any kind. If some of the specified messages can't be found or forwarded, they are skipped.
+        Service messages and messages with protected content can't be forwarded. Album grouping is kept for forwarded messages.
+        On success, an array of MessageId of the sent messages is returned.
+
+        Telegram documentation: https://core.telegram.org/bots/api#forwardmessages
 
         :param chat_id: Unique identifier for the target chat or username of the target channel (in the format @channelusername)
         :type chat_id: :obj:`int` or :obj:`str`
@@ -1901,7 +1905,14 @@ def copy_messages(self, chat_id: Union[str, int], from_chat_id: Union[str, int],
                         disable_notification: Optional[bool] = None, message_thread_id: Optional[int] = None,
                         protect_content: Optional[bool] = None, remove_caption: Optional[bool] = None) -> List[types.MessageID]:
             """
-            Use this method to copy messages of any kind.
+            Use this method to copy messages of any kind. If some of the specified messages can't be found or copied, they are skipped.
+            Service messages, giveaway messages, giveaway winners messages, and invoice messages can't be copied.
+            A quiz poll can be copied only if the value of the field correct_option_id is known to the bot.
+            The method is analogous to the method forwardMessages, but the copied messages don't have a link to the original message.
+            Album grouping is kept for copied messages. On success, an array of MessageId of the sent messages is returned.
+
+            Telegram documentation: https://core.telegram.org/bots/api#copymessages
+
 
             :param chat_id: Unique identifier for the target chat or username of the target channel (in the format @channelusername)
             :type chat_id: :obj:`int` or :obj:`str`
diff --git a/telebot/async_telebot.py b/telebot/async_telebot.py
index 38f1ef1c8..dd61a9ad6 100644
--- a/telebot/async_telebot.py
+++ b/telebot/async_telebot.py
@@ -2422,7 +2422,9 @@ async def get_webhook_info(self, timeout: Optional[int]=None) -> types.WebhookIn
 
     async def set_message_reaction(self, chat_id: Union[int, str], message_id: int, reaction: Optional[List[types.ReactionType]]=None, is_big: Optional[bool]=None) -> bool:
         """
-        Use this method to set a reaction to a message in a chat. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
+        Use this method to change the chosen reactions on a message. 
+        Service messages can't be reacted to. Automatically forwarded messages from a channel to its discussion group have the same
+        available reactions as messages in the channel. Returns True on success.
 
         Telegram documentation: https://core.telegram.org/bots/api#setmessagereaction
 
@@ -2911,10 +2913,8 @@ async def delete_message(self, chat_id: Union[int, str], message_id: int,
     
     async def delete_messages(self, chat_id: Union[int, str], message_ids: List[int]):
         """
-        Use this method to delete multiple messages in a chat. 
-        The number of messages to be deleted must not exceed 100. 
-        If the chat is a private chat, the user must be an administrator of the chat for this to work and must have the appropriate admin rights. 
-        Returns True on success.
+        Use this method to delete multiple messages simultaneously. 
+        If some of the specified messages can't be found, they are skipped. Returns True on success.
 
         Telegram documentation: https://core.telegram.org/bots/api#deletemessages
 
@@ -2932,7 +2932,11 @@ async def delete_messages(self, chat_id: Union[int, str], message_ids: List[int]
     async def forward_messages(self, chat_id: Union[str, int], from_chat_id: Union[str, int], message_ids: List[int], disable_notification: Optional[bool]=None,
                          message_thread_id: Optional[int]=None, protect_content: Optional[bool]=None) -> List[types.MessageID]:
         """
-        Use this method to forward messages of any kind.
+        Use this method to forward multiple messages of any kind. If some of the specified messages can't be found or forwarded,
+        they are skipped. Service messages and messages with protected content can't be forwarded.
+        Album grouping is kept for forwarded messages. On success, an array of MessageId of the sent messages is returned.
+
+        Telegram documentation: https://core.telegram.org/bots/api#forwardmessages
 
         :param chat_id: Unique identifier for the target chat or username of the target channel (in the format @channelusername)
         :type chat_id: :obj:`int` or :obj:`str`
@@ -2965,7 +2969,13 @@ async def copy_messages(self, chat_id: Union[str, int], from_chat_id: Union[str,
                         disable_notification: Optional[bool] = None, message_thread_id: Optional[int] = None,
                         protect_content: Optional[bool] = None, remove_caption: Optional[bool] = None) -> List[types.MessageID]:
             """
-            Use this method to copy messages of any kind.
+            Use this method to copy messages of any kind. If some of the specified messages can't be found or copied, they are skipped. 
+            Service messages, giveaway messages, giveaway winners messages, and invoice messages can't be copied. A quiz poll can be copied
+            only if the value of the field correct_option_id is known to the bot. The method is analogous to the method forwardMessages, but
+            the copied messages don't have a link to the original message. Album grouping is kept for copied messages.
+            On success, an array of MessageId of the sent messages is returned.
+
+            Telegram documentation: https://core.telegram.org/bots/api#copymessages
 
             :param chat_id: Unique identifier for the target chat or username of the target channel (in the format @channelusername)
             :type chat_id: :obj:`int` or :obj:`str`