diff --git a/telegram/animation.py b/telegram/animation.py
index 9c3f9f1f5..63b5b8d1e 100644
--- a/telegram/animation.py
+++ b/telegram/animation.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Animation."""
+"""This module contains an object that represents a Telegram Animation."""
 from telegram import PhotoSize
 from telegram import TelegramObject
 
diff --git a/telegram/audio.py b/telegram/audio.py
index 89ce7c5ba..a512aef32 100644
--- a/telegram/audio.py
+++ b/telegram/audio.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Audio."""
+"""This module contains an object that represents a Telegram Audio."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/bot.py b/telegram/bot.py
index 4b22bf038..0b70eb3e9 100644
--- a/telegram/bot.py
+++ b/telegram/bot.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Bot."""
+"""This module contains an object that represents a Telegram Bot."""
 
 import functools
 import logging
diff --git a/telegram/callbackgame.py b/telegram/callbackgame.py
index 62d6c47ef..15df83eaa 100644
--- a/telegram/callbackgame.py
+++ b/telegram/callbackgame.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram CallbackGame."""
+"""This module contains an object that represents a Telegram CallbackGame."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/callbackquery.py b/telegram/callbackquery.py
index c461a4072..68bf143bb 100644
--- a/telegram/callbackquery.py
+++ b/telegram/callbackquery.py
@@ -16,8 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram
-CallbackQuery"""
+"""This module contains an object that represents a Telegram CallbackQuery"""
 
 from telegram import TelegramObject, Message, User
 
diff --git a/telegram/chat.py b/telegram/chat.py
index 91af15ba9..cc2d49520 100644
--- a/telegram/chat.py
+++ b/telegram/chat.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Chat."""
+"""This module contains an object that represents a Telegram Chat."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/chataction.py b/telegram/chataction.py
index 398656db6..2e784bc1b 100644
--- a/telegram/chataction.py
+++ b/telegram/chataction.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram ChatAction."""
+"""This module contains an object that represents a Telegram ChatAction."""
 
 
 class ChatAction(object):
diff --git a/telegram/chatmember.py b/telegram/chatmember.py
index dfcfce055..2640da4aa 100644
--- a/telegram/chatmember.py
+++ b/telegram/chatmember.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram ChatMember."""
+"""This module contains an object that represents a Telegram ChatMember."""
 
 from telegram import User, TelegramObject
 
diff --git a/telegram/choseninlineresult.py b/telegram/choseninlineresult.py
index edc9c3515..68d8798c3 100644
--- a/telegram/choseninlineresult.py
+++ b/telegram/choseninlineresult.py
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """
-This module contains a object that represents a Telegram ChosenInlineResult
+This module contains an object that represents a Telegram ChosenInlineResult
 """
 
 from telegram import TelegramObject, User, Location
diff --git a/telegram/contact.py b/telegram/contact.py
index 48f7e3065..a48924227 100644
--- a/telegram/contact.py
+++ b/telegram/contact.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Contact."""
+"""This module contains an object that represents a Telegram Contact."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/document.py b/telegram/document.py
index 4e16b02b5..d9a9cb171 100644
--- a/telegram/document.py
+++ b/telegram/document.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Document."""
+"""This module contains an object that represents a Telegram Document."""
 
 from telegram import PhotoSize, TelegramObject
 
diff --git a/telegram/emoji.py b/telegram/emoji.py
index 91af002ea..19fa0d4d4 100644
--- a/telegram/emoji.py
+++ b/telegram/emoji.py
@@ -18,7 +18,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents an Emoji.
+"""This module contains an object that represents an Emoji.
 
 This module will be removed in the future.
 """
diff --git a/telegram/error.py b/telegram/error.py
index 8ca6a60cf..b61559656 100644
--- a/telegram/error.py
+++ b/telegram/error.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Error."""
+"""This module contains an object that represents a Telegram Error."""
 
 
 def _lstrip_str(in_s, lstr):
diff --git a/telegram/file.py b/telegram/file.py
index b04e85cff..0a3084ec2 100644
--- a/telegram/file.py
+++ b/telegram/file.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram File."""
+"""This module contains an object that represents a Telegram File."""
 
 from os.path import basename
 
diff --git a/telegram/forcereply.py b/telegram/forcereply.py
index 3993e2390..ad721f65b 100644
--- a/telegram/forcereply.py
+++ b/telegram/forcereply.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram ForceReply."""
+"""This module contains an object that represents a Telegram ForceReply."""
 
 from telegram import ReplyMarkup
 
diff --git a/telegram/game.py b/telegram/game.py
index 602ca031d..a99eced30 100644
--- a/telegram/game.py
+++ b/telegram/game.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Game."""
+"""This module contains an object that represents a Telegram Game."""
 
 import sys
 
diff --git a/telegram/gamehighscore.py b/telegram/gamehighscore.py
index 27890ab8d..ea85ec8c1 100644
--- a/telegram/gamehighscore.py
+++ b/telegram/gamehighscore.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram GameHighScore."""
+"""This module contains an object that represents a Telegram GameHighScore."""
 
 from telegram import TelegramObject, User
 
diff --git a/telegram/inlinekeyboardbutton.py b/telegram/inlinekeyboardbutton.py
index aa7fda738..5b2bd585c 100644
--- a/telegram/inlinekeyboardbutton.py
+++ b/telegram/inlinekeyboardbutton.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram
+"""This module contains an object that represents a Telegram
 InlineKeyboardButton"""
 
 from telegram import TelegramObject
diff --git a/telegram/inlinekeyboardmarkup.py b/telegram/inlinekeyboardmarkup.py
index f9fa3263a..76d102401 100644
--- a/telegram/inlinekeyboardmarkup.py
+++ b/telegram/inlinekeyboardmarkup.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram
+"""This module contains an object that represents a Telegram
 InlineKeyboardMarkup"""
 
 from telegram import ReplyMarkup, InlineKeyboardButton
diff --git a/telegram/inlinequery.py b/telegram/inlinequery.py
index 58e4f265b..ccca2c217 100644
--- a/telegram/inlinequery.py
+++ b/telegram/inlinequery.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram InlineQuery"""
+"""This module contains an object that represents a Telegram InlineQuery"""
 
 from telegram import TelegramObject, User, Location
 
diff --git a/telegram/inputfile.py b/telegram/inputfile.py
index 718582e5e..0cd6a7f39 100644
--- a/telegram/inputfile.py
+++ b/telegram/inputfile.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram InputFile."""
+"""This module contains an object that represents a Telegram InputFile."""
 
 try:
     # python 3
diff --git a/telegram/keyboardbutton.py b/telegram/keyboardbutton.py
index 1c19bbbd6..7d1e75241 100644
--- a/telegram/keyboardbutton.py
+++ b/telegram/keyboardbutton.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram KeyboardButton."""
+"""This module contains an object that represents a Telegram KeyboardButton."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/location.py b/telegram/location.py
index b7f0df38f..7263a6e56 100644
--- a/telegram/location.py
+++ b/telegram/location.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Location."""
+"""This module contains an object that represents a Telegram Location."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/message.py b/telegram/message.py
index e81425455..5c3672940 100644
--- a/telegram/message.py
+++ b/telegram/message.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Message."""
+"""This module contains an object that represents a Telegram Message."""
 
 import sys
 from datetime import datetime
diff --git a/telegram/messageentity.py b/telegram/messageentity.py
index f5bae748f..27acedf97 100644
--- a/telegram/messageentity.py
+++ b/telegram/messageentity.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram MessageEntity."""
+"""This module contains an object that represents a Telegram MessageEntity."""
 
 from telegram import User, TelegramObject
 
diff --git a/telegram/parsemode.py b/telegram/parsemode.py
index 840e5cad8..a3414caf7 100644
--- a/telegram/parsemode.py
+++ b/telegram/parsemode.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram
+"""This module contains an object that represents a Telegram
 Message Parse Modes."""
 
 
diff --git a/telegram/photosize.py b/telegram/photosize.py
index e708ab11d..9ef5e3e65 100644
--- a/telegram/photosize.py
+++ b/telegram/photosize.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram PhotoSize."""
+"""This module contains an object that represents a Telegram PhotoSize."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/replykeyboardhide.py b/telegram/replykeyboardhide.py
index ddc5ff414..52dfb5cdc 100644
--- a/telegram/replykeyboardhide.py
+++ b/telegram/replykeyboardhide.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram
+"""This module contains an object that represents a Telegram
 ReplyKeyboardHide."""
 
 from telegram import ReplyMarkup
diff --git a/telegram/replykeyboardmarkup.py b/telegram/replykeyboardmarkup.py
index 17f00ff57..98f171a93 100644
--- a/telegram/replykeyboardmarkup.py
+++ b/telegram/replykeyboardmarkup.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram
+"""This module contains an object that represents a Telegram
 ReplyKeyboardMarkup."""
 
 from telegram import ReplyMarkup, KeyboardButton
diff --git a/telegram/sticker.py b/telegram/sticker.py
index b2255fb18..117ae4cd3 100644
--- a/telegram/sticker.py
+++ b/telegram/sticker.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Sticker."""
+"""This module contains an object that represents a Telegram Sticker."""
 
 from telegram import PhotoSize, TelegramObject
 
diff --git a/telegram/update.py b/telegram/update.py
index 08a164b99..23937c959 100644
--- a/telegram/update.py
+++ b/telegram/update.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Update."""
+"""This module contains an object that represents a Telegram Update."""
 
 from telegram import (Message, TelegramObject, InlineQuery, ChosenInlineResult, CallbackQuery)
 
diff --git a/telegram/user.py b/telegram/user.py
index 676d276ee..61db9a0bf 100644
--- a/telegram/user.py
+++ b/telegram/user.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram User."""
+"""This module contains an object that represents a Telegram User."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/userprofilephotos.py b/telegram/userprofilephotos.py
index 7b80b2a07..24d84e073 100644
--- a/telegram/userprofilephotos.py
+++ b/telegram/userprofilephotos.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram
+"""This module contains an object that represents a Telegram
 UserProfilePhotos."""
 
 from telegram import PhotoSize, TelegramObject
diff --git a/telegram/venue.py b/telegram/venue.py
index 833875263..e066da0b7 100644
--- a/telegram/venue.py
+++ b/telegram/venue.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Venue."""
+"""This module contains an object that represents a Telegram Venue."""
 
 from telegram import TelegramObject, Location
 
diff --git a/telegram/video.py b/telegram/video.py
index 9adceb553..e6252537b 100644
--- a/telegram/video.py
+++ b/telegram/video.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Video."""
+"""This module contains an object that represents a Telegram Video."""
 
 from telegram import PhotoSize, TelegramObject
 
diff --git a/telegram/voice.py b/telegram/voice.py
index 50e2f9300..51f9b89a5 100644
--- a/telegram/voice.py
+++ b/telegram/voice.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram Voice."""
+"""This module contains an object that represents a Telegram Voice."""
 
 from telegram import TelegramObject
 
diff --git a/telegram/webhookinfo.py b/telegram/webhookinfo.py
index f96bb01aa..d25acfea1 100644
--- a/telegram/webhookinfo.py
+++ b/telegram/webhookinfo.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Telegram WebhookInfo."""
+"""This module contains an object that represents a Telegram WebhookInfo."""
 
 from telegram import TelegramObject
 
diff --git a/tests/base.py b/tests/base.py
index c04dbd71c..087e588a9 100644
--- a/tests/base.py
+++ b/tests/base.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents a Base class for tests"""
+"""This module contains an object that represents a Base class for tests"""
 
 import os
 import sys
diff --git a/tests/test_audio.py b/tests/test_audio.py
index 9f12b79da..769a39fc4 100644
--- a/tests/test_audio.py
+++ b/tests/test_audio.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Audio"""
+"""This module contains an object that represents Tests for Telegram Audio"""
 
 import sys
 import unittest
diff --git a/tests/test_bot.py b/tests/test_bot.py
index 81cbd8cdd..e598c4ded 100644
--- a/tests/test_bot.py
+++ b/tests/test_bot.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Bot"""
+"""This module contains an object that represents Tests for Telegram Bot"""
 
 import io
 import re
diff --git a/tests/test_chat.py b/tests/test_chat.py
index 15e95cd7c..2ec115cb3 100644
--- a/tests/test_chat.py
+++ b/tests/test_chat.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Chat"""
+"""This module contains an object that represents Tests for Telegram Chat"""
 
 import unittest
 import sys
diff --git a/tests/test_choseninlineresult.py b/tests/test_choseninlineresult.py
index 2cbf853d4..db639dbeb 100644
--- a/tests/test_choseninlineresult.py
+++ b/tests/test_choseninlineresult.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 ChosenInlineResult"""
 
 import sys
diff --git a/tests/test_contact.py b/tests/test_contact.py
index f9f25cfcd..34047fa36 100644
--- a/tests/test_contact.py
+++ b/tests/test_contact.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Contact"""
+"""This module contains an object that represents Tests for Telegram Contact"""
 
 import unittest
 import sys
diff --git a/tests/test_conversationhandler.py b/tests/test_conversationhandler.py
index 93123439a..891969f01 100644
--- a/tests/test_conversationhandler.py
+++ b/tests/test_conversationhandler.py
@@ -18,7 +18,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """
-This module contains a object that represents Tests for ConversationHandler
+This module contains an object that represents Tests for ConversationHandler
 """
 import logging
 import sys
diff --git a/tests/test_document.py b/tests/test_document.py
index a4e3baaa0..394571704 100644
--- a/tests/test_document.py
+++ b/tests/test_document.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Document"""
+"""This module contains an object that represents Tests for Telegram Document"""
 
 import sys
 import unittest
diff --git a/tests/test_file.py b/tests/test_file.py
index 0197cfb98..af5adf291 100644
--- a/tests/test_file.py
+++ b/tests/test_file.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram File"""
+"""This module contains an object that represents Tests for Telegram File"""
 
 import sys
 import unittest
diff --git a/tests/test_filters.py b/tests/test_filters.py
index caa5b9efb..60aae9a2a 100644
--- a/tests/test_filters.py
+++ b/tests/test_filters.py
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """
-This module contains a object that represents Tests for MessageHandler.Filters
+This module contains an object that represents Tests for MessageHandler.Filters
 """
 
 import sys
diff --git a/tests/test_forcereply.py b/tests/test_forcereply.py
index 93804e8d0..6d12171b8 100644
--- a/tests/test_forcereply.py
+++ b/tests/test_forcereply.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram ForceReply"""
+"""This module contains an object that represents Tests for Telegram ForceReply"""
 
 import sys
 import unittest
diff --git a/tests/test_game.py b/tests/test_game.py
index 35a11e73a..838dea88f 100644
--- a/tests/test_game.py
+++ b/tests/test_game.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Games"""
+"""This module contains an object that represents Tests for Telegram Games"""
 
 import sys
 import unittest
diff --git a/tests/test_inlinekeyboardbutton.py b/tests/test_inlinekeyboardbutton.py
index 282797a22..2a21eafbb 100644
--- a/tests/test_inlinekeyboardbutton.py
+++ b/tests/test_inlinekeyboardbutton.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram InlineKeyboardButton"""
+"""This module contains an object that represents Tests for Telegram InlineKeyboardButton"""
 
 import sys
 import unittest
diff --git a/tests/test_inlinekeyboardmarkup.py b/tests/test_inlinekeyboardmarkup.py
index 407cdaf49..de807a477 100644
--- a/tests/test_inlinekeyboardmarkup.py
+++ b/tests/test_inlinekeyboardmarkup.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram InlineKeyboardMarkup"""
+"""This module contains an object that represents Tests for Telegram InlineKeyboardMarkup"""
 
 import sys
 import unittest
diff --git a/tests/test_inlinequery.py b/tests/test_inlinequery.py
index ca8077ce1..5e85c2763 100644
--- a/tests/test_inlinequery.py
+++ b/tests/test_inlinequery.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQuery"""
 
 import sys
diff --git a/tests/test_inlinequeryresultarticle.py b/tests/test_inlinequeryresultarticle.py
index 49aa58ec8..b5379e6d0 100644
--- a/tests/test_inlinequeryresultarticle.py
+++ b/tests/test_inlinequeryresultarticle.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultArticle"""
 
 import sys
diff --git a/tests/test_inlinequeryresultaudio.py b/tests/test_inlinequeryresultaudio.py
index b6620e831..af41117d8 100644
--- a/tests/test_inlinequeryresultaudio.py
+++ b/tests/test_inlinequeryresultaudio.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultAudio"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcachedaudio.py b/tests/test_inlinequeryresultcachedaudio.py
index f105e7c18..3518a15c8 100644
--- a/tests/test_inlinequeryresultcachedaudio.py
+++ b/tests/test_inlinequeryresultcachedaudio.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedAudio"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcacheddocument.py b/tests/test_inlinequeryresultcacheddocument.py
index 490c36c59..ad4658884 100644
--- a/tests/test_inlinequeryresultcacheddocument.py
+++ b/tests/test_inlinequeryresultcacheddocument.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedDocument"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcachedgif.py b/tests/test_inlinequeryresultcachedgif.py
index 41bd17870..0fcbe0593 100644
--- a/tests/test_inlinequeryresultcachedgif.py
+++ b/tests/test_inlinequeryresultcachedgif.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedGif"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcachedmpeg4gif.py b/tests/test_inlinequeryresultcachedmpeg4gif.py
index 7ab4aff8a..999fca71b 100644
--- a/tests/test_inlinequeryresultcachedmpeg4gif.py
+++ b/tests/test_inlinequeryresultcachedmpeg4gif.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedMpeg4Gif"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcachedphoto.py b/tests/test_inlinequeryresultcachedphoto.py
index 6054920d8..13b634521 100644
--- a/tests/test_inlinequeryresultcachedphoto.py
+++ b/tests/test_inlinequeryresultcachedphoto.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedPhoto"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcachedsticker.py b/tests/test_inlinequeryresultcachedsticker.py
index 2741c185b..e582c5526 100644
--- a/tests/test_inlinequeryresultcachedsticker.py
+++ b/tests/test_inlinequeryresultcachedsticker.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedSticker"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcachedvideo.py b/tests/test_inlinequeryresultcachedvideo.py
index 4518e70b6..c60c769a2 100644
--- a/tests/test_inlinequeryresultcachedvideo.py
+++ b/tests/test_inlinequeryresultcachedvideo.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedVideo"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcachedvoice.py b/tests/test_inlinequeryresultcachedvoice.py
index 40ed187f2..c3763dc34 100644
--- a/tests/test_inlinequeryresultcachedvoice.py
+++ b/tests/test_inlinequeryresultcachedvoice.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultCachedVoice"""
 
 import sys
diff --git a/tests/test_inlinequeryresultcontact.py b/tests/test_inlinequeryresultcontact.py
index ab2238d5f..01078f76f 100644
--- a/tests/test_inlinequeryresultcontact.py
+++ b/tests/test_inlinequeryresultcontact.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultContact"""
 
 import sys
diff --git a/tests/test_inlinequeryresultdocument.py b/tests/test_inlinequeryresultdocument.py
index 0243fc529..b58b31cd4 100644
--- a/tests/test_inlinequeryresultdocument.py
+++ b/tests/test_inlinequeryresultdocument.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultDocument"""
 
 import sys
diff --git a/tests/test_inlinequeryresultgif.py b/tests/test_inlinequeryresultgif.py
index 76a90548a..e5f89a4fd 100644
--- a/tests/test_inlinequeryresultgif.py
+++ b/tests/test_inlinequeryresultgif.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultGif"""
 
 import sys
diff --git a/tests/test_inlinequeryresultlocation.py b/tests/test_inlinequeryresultlocation.py
index e65afb75c..a357dcb3a 100644
--- a/tests/test_inlinequeryresultlocation.py
+++ b/tests/test_inlinequeryresultlocation.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultLocation"""
 
 import sys
diff --git a/tests/test_inlinequeryresultmpeg4gif.py b/tests/test_inlinequeryresultmpeg4gif.py
index 7f86cb824..4c6cbc11b 100644
--- a/tests/test_inlinequeryresultmpeg4gif.py
+++ b/tests/test_inlinequeryresultmpeg4gif.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultMpeg4Gif"""
 
 import sys
diff --git a/tests/test_inlinequeryresultphoto.py b/tests/test_inlinequeryresultphoto.py
index 7157e2178..cac47a2f9 100644
--- a/tests/test_inlinequeryresultphoto.py
+++ b/tests/test_inlinequeryresultphoto.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultPhoto"""
 
 import sys
diff --git a/tests/test_inlinequeryresultvenue.py b/tests/test_inlinequeryresultvenue.py
index 095972df0..328c79e5d 100644
--- a/tests/test_inlinequeryresultvenue.py
+++ b/tests/test_inlinequeryresultvenue.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultVenue"""
 
 import sys
diff --git a/tests/test_inlinequeryresultvideo.py b/tests/test_inlinequeryresultvideo.py
index 1fe134008..c5eb59408 100644
--- a/tests/test_inlinequeryresultvideo.py
+++ b/tests/test_inlinequeryresultvideo.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultVideo"""
 
 import sys
diff --git a/tests/test_inlinequeryresultvoice.py b/tests/test_inlinequeryresultvoice.py
index eecf2865e..f280e8e28 100644
--- a/tests/test_inlinequeryresultvoice.py
+++ b/tests/test_inlinequeryresultvoice.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InlineQueryResultVoice"""
 
 import sys
diff --git a/tests/test_inputcontactmessagecontent.py b/tests/test_inputcontactmessagecontent.py
index c4c8c4d4c..cb6ea8448 100644
--- a/tests/test_inputcontactmessagecontent.py
+++ b/tests/test_inputcontactmessagecontent.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InputContactMessageContent"""
 
 import sys
diff --git a/tests/test_inputlocationmessagecontent.py b/tests/test_inputlocationmessagecontent.py
index c74328729..8a2c64aad 100644
--- a/tests/test_inputlocationmessagecontent.py
+++ b/tests/test_inputlocationmessagecontent.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InputLocationMessageContent"""
 
 import sys
diff --git a/tests/test_inputmessagecontent.py b/tests/test_inputmessagecontent.py
index a26b798c3..2312be8f3 100644
--- a/tests/test_inputmessagecontent.py
+++ b/tests/test_inputmessagecontent.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InputMessageContent"""
 
 import sys
diff --git a/tests/test_inputtextmessagecontent.py b/tests/test_inputtextmessagecontent.py
index c14266733..8eeef613b 100644
--- a/tests/test_inputtextmessagecontent.py
+++ b/tests/test_inputtextmessagecontent.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InputTextMessageContent"""
 
 import sys
diff --git a/tests/test_inputvenuemessagecontent.py b/tests/test_inputvenuemessagecontent.py
index 88b83dedb..607c0075c 100644
--- a/tests/test_inputvenuemessagecontent.py
+++ b/tests/test_inputvenuemessagecontent.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 InputVenueMessageContent"""
 
 import sys
diff --git a/tests/test_jobqueue.py b/tests/test_jobqueue.py
index 31d05d26d..656915e18 100644
--- a/tests/test_jobqueue.py
+++ b/tests/test_jobqueue.py
@@ -18,7 +18,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """
-This module contains a object that represents Tests for JobQueue
+This module contains an object that represents Tests for JobQueue
 """
 import logging
 import sys
diff --git a/tests/test_keyboardbutton.py b/tests/test_keyboardbutton.py
index f4f1e6338..f48f83003 100644
--- a/tests/test_keyboardbutton.py
+++ b/tests/test_keyboardbutton.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 KeyboardButton"""
 
 import sys
diff --git a/tests/test_location.py b/tests/test_location.py
index ba801e606..b98cc791c 100644
--- a/tests/test_location.py
+++ b/tests/test_location.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Location"""
+"""This module contains an object that represents Tests for Telegram Location"""
 
 import unittest
 import sys
diff --git a/tests/test_message.py b/tests/test_message.py
index 0e95f78e9..8836d4b8b 100644
--- a/tests/test_message.py
+++ b/tests/test_message.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Message"""
+"""This module contains an object that represents Tests for Telegram Message"""
 
 import sys
 import unittest
diff --git a/tests/test_messageentity.py b/tests/test_messageentity.py
index c600afd27..16878f992 100644
--- a/tests/test_messageentity.py
+++ b/tests/test_messageentity.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 MessageEntity"""
 
 import sys
diff --git a/tests/test_parsemode.py b/tests/test_parsemode.py
index 45f1c9e8a..c817f2de4 100644
--- a/tests/test_parsemode.py
+++ b/tests/test_parsemode.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram ParseMode"""
+"""This module contains an object that represents Tests for Telegram ParseMode"""
 
 import sys
 import unittest
diff --git a/tests/test_photo.py b/tests/test_photo.py
index 13ae17d03..77969078f 100644
--- a/tests/test_photo.py
+++ b/tests/test_photo.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Photo"""
+"""This module contains an object that represents Tests for Telegram Photo"""
 
 import sys
 import unittest
diff --git a/tests/test_replykeyboardhide.py b/tests/test_replykeyboardhide.py
index 152af75e8..bfcccf208 100644
--- a/tests/test_replykeyboardhide.py
+++ b/tests/test_replykeyboardhide.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram ReplyKeyboardHide"""
+"""This module contains an object that represents Tests for Telegram ReplyKeyboardHide"""
 
 import sys
 import unittest
diff --git a/tests/test_replykeyboardmarkup.py b/tests/test_replykeyboardmarkup.py
index 38752780e..964af77b7 100644
--- a/tests/test_replykeyboardmarkup.py
+++ b/tests/test_replykeyboardmarkup.py
@@ -17,7 +17,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram ReplyKeyboardMarkup"""
+"""This module contains an object that represents Tests for Telegram ReplyKeyboardMarkup"""
 
 import sys
 import unittest
diff --git a/tests/test_replymarkup.py b/tests/test_replymarkup.py
index 1843d548e..5c914d5da 100644
--- a/tests/test_replymarkup.py
+++ b/tests/test_replymarkup.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram
+"""This module contains an object that represents Tests for Telegram
 ReplyMarkup"""
 
 import sys
diff --git a/tests/test_sticker.py b/tests/test_sticker.py
index 8403ed85e..4712eb067 100644
--- a/tests/test_sticker.py
+++ b/tests/test_sticker.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Sticker"""
+"""This module contains an object that represents Tests for Telegram Sticker"""
 
 import sys
 import unittest
diff --git a/tests/test_update.py b/tests/test_update.py
index 11ef57e7e..ad706c271 100644
--- a/tests/test_update.py
+++ b/tests/test_update.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Update"""
+"""This module contains an object that represents Tests for Telegram Update"""
 
 import sys
 import unittest
diff --git a/tests/test_updater.py b/tests/test_updater.py
index 9f71b0bae..3ab9516b1 100644
--- a/tests/test_updater.py
+++ b/tests/test_updater.py
@@ -18,7 +18,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """
-This module contains a object that represents Tests for Updater, Dispatcher,
+This module contains an object that represents Tests for Updater, Dispatcher,
 WebhookServer and WebhookHandler
 """
 import logging
diff --git a/tests/test_user.py b/tests/test_user.py
index 0f65209a5..c50528945 100644
--- a/tests/test_user.py
+++ b/tests/test_user.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram User"""
+"""This module contains an object that represents Tests for Telegram User"""
 
 import unittest
 import sys
diff --git a/tests/test_venue.py b/tests/test_venue.py
index dbee6857b..4fc3df6ac 100644
--- a/tests/test_venue.py
+++ b/tests/test_venue.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Venue"""
+"""This module contains an object that represents Tests for Telegram Venue"""
 
 import sys
 import unittest
diff --git a/tests/test_video.py b/tests/test_video.py
index af589c1a1..0fcd0c3d2 100644
--- a/tests/test_video.py
+++ b/tests/test_video.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Video"""
+"""This module contains an object that represents Tests for Telegram Video"""
 
 import sys
 import unittest
diff --git a/tests/test_voice.py b/tests/test_voice.py
index 2850a517f..75ac20331 100644
--- a/tests/test_voice.py
+++ b/tests/test_voice.py
@@ -16,7 +16,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
-"""This module contains a object that represents Tests for Telegram Voice"""
+"""This module contains an object that represents Tests for Telegram Voice"""
 
 import sys
 import unittest