diff --git a/client/client.go b/client/client.go
index 454a1bc..7f5efd4 100644
--- a/client/client.go
+++ b/client/client.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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
diff --git a/constants.go b/constants.go
index 29cf6c4..99851df 100644
--- a/constants.go
+++ b/constants.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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
diff --git a/main.go b/main.go
index e8fd363..569d7fe 100644
--- a/main.go
+++ b/main.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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
diff --git a/parser/parser.go b/parser/parser.go
index bb93930..19d88f1 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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
diff --git a/ui/app/app.go b/ui/app/app.go
index 727d9db..09cea55 100644
--- a/ui/app/app.go
+++ b/ui/app/app.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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
diff --git a/ui/login/cmds.go b/ui/login/cmds.go
index 7ed5d3f..209b2af 100644
--- a/ui/login/cmds.go
+++ b/ui/login/cmds.go
@@ -1,3 +1,19 @@
+// gorc project
+// Copyright (C) 2021 IllusionMan1212
+//
+// 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 login
 
 import (
diff --git a/ui/login/login.go b/ui/login/login.go
index d30882e..0277994 100644
--- a/ui/login/login.go
+++ b/ui/login/login.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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
diff --git a/ui/login/styles.go b/ui/login/styles.go
index 11d0d70..9eb3c31 100644
--- a/ui/login/styles.go
+++ b/ui/login/styles.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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
diff --git a/ui/mainscreen/cmds.go b/ui/mainscreen/cmds.go
index 7910d63..953a917 100644
--- a/ui/mainscreen/cmds.go
+++ b/ui/mainscreen/cmds.go
@@ -1,3 +1,19 @@
+// gorc project
+// Copyright (C) 2021 IllusionMan1212
+//
+// 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 mainscreen
 
 import (
diff --git a/ui/mainscreen/mainscreen.go b/ui/mainscreen/mainscreen.go
index 609249c..5b9e36f 100644
--- a/ui/mainscreen/mainscreen.go
+++ b/ui/mainscreen/mainscreen.go
@@ -1,3 +1,19 @@
+// gorc project
+// Copyright (C) 2021 IllusionMan1212
+//
+// 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 mainscreen
 
 import (
diff --git a/ui/styles.go b/ui/styles.go
index 4767489..46c0614 100644
--- a/ui/styles.go
+++ b/ui/styles.go
@@ -1,5 +1,5 @@
 // gorc project
-// Copyright (C) 2021 IllusionMan1212 and contributors
+// Copyright (C) 2021 IllusionMan1212
 //
 // 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