diff --git a/aiogram/utils/deep_linking.py b/aiogram/utils/deep_linking.py
index d44500ce..3cb3cc25 100644
--- a/aiogram/utils/deep_linking.py
+++ b/aiogram/utils/deep_linking.py
@@ -85,17 +85,17 @@ async def create_startapp_link(
     encoder: Optional[Callable[[bytes], bytes]] = None,
 ) -> str:
     """
-        Create 'startapp' deep link with your payload.
+    Create 'startapp' deep link with your payload.
 
-        If you need to encode payload or pass special characters -
-            set encode as True
+    If you need to encode payload or pass special characters -
+        set encode as True
 
-        :param bot: bot instance
-        :param payload: args passed with /start
-        :param encode: encode payload with base64url or custom encoder
-        :param encoder: custom encoder callable
-        :return: link
-        """
+    :param bot: bot instance
+    :param payload: args passed with /start
+    :param encode: encode payload with base64url or custom encoder
+    :param encoder: custom encoder callable
+    :return: link
+    """
     username = (await bot.me()).username
     return create_deep_link(
         username=cast(str, username),
diff --git a/tests/test_utils/test_deep_linking.py b/tests/test_utils/test_deep_linking.py
index 58ff8513..b5818c52 100644
--- a/tests/test_utils/test_deep_linking.py
+++ b/tests/test_utils/test_deep_linking.py
@@ -1,7 +1,10 @@
 import pytest
 
-from aiogram.utils.deep_linking import create_start_link, create_startgroup_link, \
-    create_startapp_link
+from aiogram.utils.deep_linking import (
+    create_start_link,
+    create_startapp_link,
+    create_startgroup_link,
+)
 from aiogram.utils.payload import decode_payload, encode_payload
 from tests.mocked_bot import MockedBot