diff --git a/src/addr/local.go b/src/addr/local.go
index 575c7eb..d03a59d 100644
--- a/src/addr/local.go
+++ b/src/addr/local.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/checksum/checksum.go b/src/checksum/checksum.go
index 9826e18..15f8340 100644
--- a/src/checksum/checksum.go
+++ b/src/checksum/checksum.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/checksum/checksum_test.go b/src/checksum/checksum_test.go
index 33a94fb..e274086 100644
--- a/src/checksum/checksum_test.go
+++ b/src/checksum/checksum_test.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/encryption/decrypt.go b/src/encryption/decrypt.go
index 868b577..0e71e35 100644
--- a/src/encryption/decrypt.go
+++ b/src/encryption/decrypt.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/encryption/encrypt.go b/src/encryption/encrypt.go
index 1eaecc0..7a947ac 100644
--- a/src/encryption/encrypt.go
+++ b/src/encryption/encrypt.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/encryption/encryption_test.go b/src/encryption/encryption_test.go
index 25ff50d..f2f6378 100644
--- a/src/encryption/encryption_test.go
+++ b/src/encryption/encryption_test.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/encryption/key.go b/src/encryption/key.go
index 46dc4b3..25e2f60 100644
--- a/src/encryption/key.go
+++ b/src/encryption/key.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/fsys/dir.go b/src/fsys/dir.go
index 3e77ffd..226b40d 100644
--- a/src/fsys/dir.go
+++ b/src/fsys/dir.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/fsys/dir_test.go b/src/fsys/dir_test.go
index c798824..20b51f1 100644
--- a/src/fsys/dir_test.go
+++ b/src/fsys/dir_test.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/fsys/file.go b/src/fsys/file.go
index 8220c89..d44d9f4 100644
--- a/src/fsys/file.go
+++ b/src/fsys/file.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/fsys/file_test.go b/src/fsys/file_test.go
index 9958c65..7b0dab3 100644
--- a/src/fsys/file_test.go
+++ b/src/fsys/file_test.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/fsys/symlink.go b/src/fsys/symlink.go
index 34d90e2..9ebdba3 100644
--- a/src/fsys/symlink.go
+++ b/src/fsys/symlink.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/fsys/symlink_test.go b/src/fsys/symlink_test.go
index deb0e06..0a912e4 100644
--- a/src/fsys/symlink_test.go
+++ b/src/fsys/symlink_test.go
@@ -1,3 +1,23 @@
+/*
+ftu - file transferring utility.
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
+
+This file is a part of ftu
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 package fsys
 
 import (
diff --git a/src/main.go b/src/main.go
index e4dd7aa..4b280d6 100644
--- a/src/main.go
+++ b/src/main.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
@@ -30,9 +30,9 @@ import (
 )
 
 var (
-	VERSION string = "v2.3.1"
+	VERSION string = "v2.3.2"
 
-	versionInformation string = fmt.Sprintf("ftu %s\nfile transferring utility\n\nCopyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (me@unbewohnte.xyz))\nThis program comes with ABSOLUTELY NO WARRANTY.\nThis is free software, and you are welcome to redistribute it under certain conditions; type \"ftu -l\" for details.\n", VERSION)
+	versionInformation string = fmt.Sprintf("ftu %s\nfile transferring utility\n\nCopyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (me@unbewohnte.xyz))\nThis program comes with ABSOLUTELY NO WARRANTY.\nThis is free software, and you are welcome to redistribute it under certain conditions; type \"ftu -l\" for details.\n", VERSION)
 
 	//go:embed COPYING
 	licenseInformation string
diff --git a/src/node/node.go b/src/node/node.go
index 1234cce..cd3ed28 100644
--- a/src/node/node.go
+++ b/src/node/node.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/node/options.go b/src/node/options.go
index 32f31e1..9d41512 100644
--- a/src/node/options.go
+++ b/src/node/options.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/constants.go b/src/protocol/constants.go
index b38907e..af871a9 100644
--- a/src/protocol/constants.go
+++ b/src/protocol/constants.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/headers.go b/src/protocol/headers.go
index 0bb8e47..fc389f9 100644
--- a/src/protocol/headers.go
+++ b/src/protocol/headers.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/packet.go b/src/protocol/packet.go
index a9d9b59..a93ebc7 100644
--- a/src/protocol/packet.go
+++ b/src/protocol/packet.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/packetConstruct.go b/src/protocol/packetConstruct.go
index f38faeb..e0ff2fc 100644
--- a/src/protocol/packetConstruct.go
+++ b/src/protocol/packetConstruct.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/packetDecode.go b/src/protocol/packetDecode.go
index b3d20de..cc13ae8 100644
--- a/src/protocol/packetDecode.go
+++ b/src/protocol/packetDecode.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/protocol_test.go b/src/protocol/protocol_test.go
index e1d0172..a501870 100644
--- a/src/protocol/protocol_test.go
+++ b/src/protocol/protocol_test.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/recv.go b/src/protocol/recv.go
index 83b373f..e28ed77 100644
--- a/src/protocol/recv.go
+++ b/src/protocol/recv.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu
 
diff --git a/src/protocol/send.go b/src/protocol/send.go
index 9beeabc..902c40c 100644
--- a/src/protocol/send.go
+++ b/src/protocol/send.go
@@ -1,6 +1,6 @@
 /*
 ftu - file transferring utility.
-Copyright (C) 2021,2022  Kasyanov Nikolay Alexeevich (Unbewohnte (https://unbewohnte.xyz/))
+Copyright (C) 2021,2022  Kasyanov Nikolay Alexeyevich (Unbewohnte (https://unbewohnte.xyz/))
 
 This file is a part of ftu