diff --git a/aiogram/utils/deprecated.py b/aiogram/utils/deprecated.py
index 89081c8b..ecb66e6a 100644
--- a/aiogram/utils/deprecated.py
+++ b/aiogram/utils/deprecated.py
@@ -1,7 +1,3 @@
-"""
-Source: https://stackoverflow.com/questions/2536307/decorators-in-the-python-standard-lib-deprecated-specifically
-"""
-
 import functools
 import inspect
 import warnings
@@ -13,6 +9,8 @@ def deprecated(reason):
     This is a decorator which can be used to mark functions
     as deprecated. It will result in a warning being emitted
     when the function is used.
+
+    Source: https://stackoverflow.com/questions/2536307/decorators-in-the-python-standard-lib-deprecated-specifically
     """
 
     if isinstance(reason, str):
diff --git a/docs/source/utils/deprecated.rst b/docs/source/utils/deprecated.rst
index ce80bb0e..7f2f07cc 100644
--- a/docs/source/utils/deprecated.rst
+++ b/docs/source/utils/deprecated.rst
@@ -1,8 +1,5 @@
 ==========
 Deprecated
 ==========
-.. literalinclude:: ../../../aiogram/utils/deprecated.py
-    :caption: deprecated.py
-    :language: python3
-    :linenos:
-
+.. automodule:: aiogram.utils.deprecated
+    :members: