diff --git a/telebot/__init__.py b/telebot/__init__.py
index 88d6fc7..35cad2b 100644
--- a/telebot/__init__.py
+++ b/telebot/__init__.py
@@ -2047,7 +2047,7 @@ class TeleBot:
             open_period: Optional[int]=None, 
             close_date: Optional[Union[int, datetime]]=None, 
             is_closed: Optional[bool]=None,
-            disable_notifications: Optional[bool]=False, 
+            disable_notification: Optional[bool]=False,
             reply_to_message_id: Optional[int]=None, 
             reply_markup: Optional[REPLY_MARKUP_TYPES]=None, 
             allow_sending_without_reply: Optional[bool]=None, 
@@ -2067,7 +2067,7 @@ class TeleBot:
         :param open_period:
         :param close_date:
         :param is_closed:
-        :param disable_notifications:
+        :param disable_notification:
         :param reply_to_message_id:
         :param allow_sending_without_reply:
         :param reply_markup:
@@ -2085,7 +2085,7 @@ class TeleBot:
                 question, options,
                 is_anonymous, type, allows_multiple_answers, correct_option_id,
                 explanation, explanation_parse_mode, open_period, close_date, is_closed,
-                disable_notifications, reply_to_message_id, allow_sending_without_reply, 
+                disable_notification, reply_to_message_id, allow_sending_without_reply,
                 reply_markup, timeout, explanation_entities))
 
     def stop_poll(
diff --git a/telebot/apihelper.py b/telebot/apihelper.py
index a3ef5c2..4b19f24 100644
--- a/telebot/apihelper.py
+++ b/telebot/apihelper.py
@@ -1485,7 +1485,7 @@ def send_poll(
         question, options,
         is_anonymous = None, type = None, allows_multiple_answers = None, correct_option_id = None,
         explanation = None, explanation_parse_mode=None, open_period = None, close_date = None, is_closed = None,
-        disable_notifications=False, reply_to_message_id=None, allow_sending_without_reply=None,
+        disable_notification=False, reply_to_message_id=None, allow_sending_without_reply=None,
         reply_markup=None, timeout=None, explanation_entities=None):
     method_url = r'sendPoll'
     payload = {
@@ -1515,8 +1515,8 @@ def send_poll(
     if is_closed is not None:
         payload['is_closed'] = is_closed
 
-    if disable_notifications:
-        payload['disable_notification'] = disable_notifications
+    if disable_notification:
+        payload['disable_notification'] = disable_notification
     if reply_to_message_id is not None:
         payload['reply_to_message_id'] = reply_to_message_id
     if allow_sending_without_reply is not None: