diff --git a/pyrogram/methods/utilities/stop_transmission.py b/pyrogram/methods/utilities/stop_transmission.py
index da645695..81ab8870 100644
--- a/pyrogram/methods/utilities/stop_transmission.py
+++ b/pyrogram/methods/utilities/stop_transmission.py
@@ -1,26 +1,28 @@
-#  Pyrogram - Telegram MTProto API Client Library for Python
+#  Pyrofork - Telegram MTProto API Client Library for Python
 #  Copyright (C) 2017-present Dan <https://github.com/delivrance>
+#  Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
 #
-#  This file is part of Pyrogram.
+#  This file is part of Pyrofork.
 #
-#  Pyrogram is free software: you can redistribute it and/or modify
+#  Pyrofork is free software: you can redistribute it and/or modify
 #  it under the terms of the GNU Lesser General Public License as published
 #  by the Free Software Foundation, either version 3 of the License, or
 #  (at your option) any later version.
 #
-#  Pyrogram is distributed in the hope that it will be useful,
+#  Pyrofork is distributed in the hope that it will be useful,
 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 #  GNU Lesser General Public License for more details.
 #
 #  You should have received a copy of the GNU Lesser General Public License
-#  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+#  along with Pyrofork.  If not, see <http://www.gnu.org/licenses/>.
 
 import pyrogram
 
 
 class StopTransmission:
-    def stop_transmission(self):
+    @staticmethod
+    def stop_transmission():
         """Stop downloading or uploading a file.
 
         This method must be called inside a progress callback function in order to stop the transmission at the
diff --git a/pyrogram/types/update.py b/pyrogram/types/update.py
index d3e45b4a..1f304704 100644
--- a/pyrogram/types/update.py
+++ b/pyrogram/types/update.py
@@ -1,27 +1,30 @@
-#  Pyrogram - Telegram MTProto API Client Library for Python
+#  Pyrofork - Telegram MTProto API Client Library for Python
 #  Copyright (C) 2017-present Dan <https://github.com/delivrance>
+#  Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
 #
-#  This file is part of Pyrogram.
+#  This file is part of Pyrofork.
 #
-#  Pyrogram is free software: you can redistribute it and/or modify
+#  Pyrofork is free software: you can redistribute it and/or modify
 #  it under the terms of the GNU Lesser General Public License as published
 #  by the Free Software Foundation, either version 3 of the License, or
 #  (at your option) any later version.
 #
-#  Pyrogram is distributed in the hope that it will be useful,
+#  Pyrofork is distributed in the hope that it will be useful,
 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 #  GNU Lesser General Public License for more details.
 #
 #  You should have received a copy of the GNU Lesser General Public License
-#  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+#  along with Pyrofork.  If not, see <http://www.gnu.org/licenses/>.
 
 import pyrogram
 
 
 class Update:
-    def stop_propagation(self):
+    @staticmethod
+    def stop_propagation():
         raise pyrogram.StopPropagation
 
-    def continue_propagation(self):
+    @staticmethod
+    def continue_propagation():
         raise pyrogram.ContinuePropagation