diff --git a/Telegram/SourceFiles/intro/intro_code_input.cpp b/Telegram/SourceFiles/intro/intro_code_input.cpp
index 5c0005b20..968cd87d4 100644
--- a/Telegram/SourceFiles/intro/intro_code_input.cpp
+++ b/Telegram/SourceFiles/intro/intro_code_input.cpp
@@ -1,9 +1,10 @@
-// This file is part of Desktop App Toolkit,
-// a set of libraries for developing nice desktop applications.
-//
-// For license and copyright information please follow this link:
-// https://github.com/desktop-app/legal/blob/master/LEGAL
-//
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
 #include "intro/intro_code_input.h"
 
 #include "lang/lang_keys.h"
diff --git a/Telegram/SourceFiles/intro/intro_code_input.h b/Telegram/SourceFiles/intro/intro_code_input.h
index f929142df..9b5094aa8 100644
--- a/Telegram/SourceFiles/intro/intro_code_input.h
+++ b/Telegram/SourceFiles/intro/intro_code_input.h
@@ -1,9 +1,10 @@
-// This file is part of Desktop App Toolkit,
-// a set of libraries for developing nice desktop applications.
-//
-// For license and copyright information please follow this link:
-// https://github.com/desktop-app/legal/blob/master/LEGAL
-//
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
 #pragma once
 
 #include "ui/rp_widget.h"
diff --git a/Telegram/SourceFiles/lang/lang_pch.h b/Telegram/SourceFiles/lang/lang_pch.h
index 53a811432..175adb938 100644
--- a/Telegram/SourceFiles/lang/lang_pch.h
+++ b/Telegram/SourceFiles/lang/lang_pch.h
@@ -1,9 +1,10 @@
-// This file is part of Desktop App Toolkit,
-// a set of libraries for developing nice desktop applications.
-//
-// For license and copyright information please follow this link:
-// https://github.com/desktop-app/legal/blob/master/LEGAL
-//
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
 
 #include <QtCore/QString>
 #include <QtCore/QDateTime>
diff --git a/Telegram/SourceFiles/ui/controls/call_mute_button.cpp b/Telegram/SourceFiles/ui/controls/call_mute_button.cpp
index b913f3428..dfb31807e 100644
--- a/Telegram/SourceFiles/ui/controls/call_mute_button.cpp
+++ b/Telegram/SourceFiles/ui/controls/call_mute_button.cpp
@@ -1,9 +1,10 @@
-// This file is part of Desktop App Toolkit,
-// a set of libraries for developing nice desktop applications.
-//
-// For license and copyright information please follow this link:
-// https://github.com/desktop-app/legal/blob/master/LEGAL
-//
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
 #include "ui/controls/call_mute_button.h"
 
 #include "base/flat_map.h"
diff --git a/Telegram/SourceFiles/ui/controls/call_mute_button.h b/Telegram/SourceFiles/ui/controls/call_mute_button.h
index f3d072638..b6755f543 100644
--- a/Telegram/SourceFiles/ui/controls/call_mute_button.h
+++ b/Telegram/SourceFiles/ui/controls/call_mute_button.h
@@ -1,9 +1,10 @@
-// This file is part of Desktop App Toolkit,
-// a set of libraries for developing nice desktop applications.
-//
-// For license and copyright information please follow this link:
-// https://github.com/desktop-app/legal/blob/master/LEGAL
-//
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
 #pragma once
 
 #include "base/unique_qptr.h"
diff --git a/Telegram/SourceFiles/ui/ui_pch.h b/Telegram/SourceFiles/ui/ui_pch.h
index 81a3e0adc..84a912f8f 100644
--- a/Telegram/SourceFiles/ui/ui_pch.h
+++ b/Telegram/SourceFiles/ui/ui_pch.h
@@ -1,9 +1,10 @@
-// This file is part of Desktop App Toolkit,
-// a set of libraries for developing nice desktop applications.
-//
-// For license and copyright information please follow this link:
-// https://github.com/desktop-app/legal/blob/master/LEGAL
-//
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
 
 #include <QtCore/QString>
 #include <QtCore/QPoint>