diff --git a/Uploader/dl_button.py b/Uploader/dl_button.py
index bab91f2d..23be5ee9 100644
--- a/Uploader/dl_button.py
+++ b/Uploader/dl_button.py
@@ -79,8 +79,8 @@ async def ddl_call_back(bot, update):
                 youtube_dl_url = youtube_dl_url[o:o + l]
 
     description = custom_file_name
-    if not "." + youtube_dl_ext in custom_file_name:
-        custom_file_name += '.' + youtube_dl_ext
+    if f".{youtube_dl_ext}" not in custom_file_name:
+        custom_file_name += f'.{youtube_dl_ext}'
     logger.info(youtube_dl_url)
     logger.info(custom_file_name)
 
@@ -94,7 +94,7 @@ async def ddl_call_back(bot, update):
         "/" + str(update.from_user.id)
     if not os.path.isdir(tmp_directory_for_each_user):
         os.makedirs(tmp_directory_for_each_user)
-    download_directory = tmp_directory_for_each_user + "/" + custom_file_name
+    download_directory = f"{tmp_directory_for_each_user}/{custom_file_name}"
     command_to_exec = []
     async with aiohttp.ClientSession() as session:
         c_time = time.time()
@@ -227,8 +227,8 @@ async def ddl_call_back(bot, update):
                 disable_web_page_preview=True
             )
 
-            logger.info("Downloaded in: " + str(time_taken_for_download))
-            logger.info("Uploaded in: " + str(time_taken_for_upload))
+            logger.info(f"Downloaded in: {str(time_taken_for_download)}")
+            logger.info(f"Uploaded in: {str(time_taken_for_upload)}")
     else:
         await bot.edit_message_text(
             text=Translation.NO_VOID_FORMAT_FOUND.format("Incorrect Link"),