diff --git a/pyrogram/methods/payments/send_star_gift.py b/pyrogram/methods/payments/send_star_gift.py
index 9a8b81b2..c12db86e 100644
--- a/pyrogram/methods/payments/send_star_gift.py
+++ b/pyrogram/methods/payments/send_star_gift.py
@@ -45,6 +45,7 @@ class SendStarGift:
 
             star_gift_id (``int``):
                 Unique identifier of star gift.
+                To get all available star gifts use :meth:`~pyrogram.Client.get_star_gifts`.
 
             text (``str``, *optional*):
                 Text of the message to be sent.
diff --git a/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py b/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py
index 3090c3dc..d3fbef2c 100644
--- a/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py
+++ b/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py
@@ -74,11 +74,14 @@ class InlineKeyboardButton(Object):
             A button that asks for the 2-step verification password of the current user and then sends a callback query to a bot Data to be sent to the bot via a callback query.
 
         pay (``bool``, *optional*):
-            Change text of pay button.
+            Pass True, to send a Pay button.
+            Substrings `⭐` and `XTR` in the buttons's text will be replaced with a Telegram Star icon.
             Available in :meth:`~pyrogram.Client.send_invoice`.
-        
+
+            **NOTE**: This type of button **must** always be the first button in the first row and can only be used in invoice messages.
+
         copy_text (``str``, *optional*):
-            Text to copy.
+            A button that copies specified text to clipboard.
             Limited to 256 character.
     """
 
@@ -177,7 +180,7 @@ class InlineKeyboardButton(Object):
                 text=b.text,
                 pay=True
             )
-        
+
         if isinstance(b, raw.types.KeyboardButtonCopy):
             return InlineKeyboardButton(
                 text=b.text,
@@ -239,7 +242,7 @@ class InlineKeyboardButton(Object):
 
         if self.pay is not None:
             return raw.types.KeyboardButtonBuy(text=self.text)
-        
+
         if self.copy_text is not None:
             return raw.types.KeyboardButtonCopy(
                 text=self.text,