diff --git a/LICENSE.txt b/LICENSE.txt
index dba13ed2..76d383de 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -629,8 +629,8 @@ to attach them to the start of each source file to most effectively
 state the exclusion of warranty; and each file should have at least
 the "copyright" line and a pointer to where the full notice is found.
 
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
+    ONLYOFFICE Document Server
+    Copyright (C) 2010-2021 Ascensio System SIA
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as published by
@@ -645,6 +645,18 @@ the "copyright" line and a pointer to where the full notice is found.
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+    You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
+    street, Riga, Latvia, EU, LV-1050
+
+    The  interactive user interfaces in modified source and object code
+    version of the Program must display Appropriate Legal Notices, as required
+    under Section 5 of the GNU AGPL version 3.
+
+    Pursuant to Section 7(b) of the License you must retain the original 
+    Product logo when distributing the program. Pursuant to Section 7(e) we
+    decline to grant you any rights under trademark law for use of our
+    trademarks.
+
 Also add information on how to contact you by electronic and paper mail.
 
   If your software can interact with users remotely through a computer