diff --git a/src_main/io/piiodevice.cpp b/src_main/io/piiodevice.cpp
index 70ad8dea..14c80eb6 100755
--- a/src_main/io/piiodevice.cpp
+++ b/src_main/io/piiodevice.cpp
@@ -1,7 +1,7 @@
 /*
     PIP - Platform Independent Primitives
     Abstract input/output device
-    Copyright (C) 2017  Ivan Pelipenko peri4ko@yandex.ru
+	Copyright (C) 2017  Ivan Pelipenko peri4ko@yandex.ru
 
     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/src_main/io/piiodevice.h b/src_main/io/piiodevice.h
index 1dc30bba..a9f36ce4 100755
--- a/src_main/io/piiodevice.h
+++ b/src_main/io/piiodevice.h
@@ -4,7 +4,7 @@
 /*
     PIP - Platform Independent Primitives
     Abstract input/output device
-    Copyright (C) 2017  Ivan Pelipenko peri4ko@yandex.ru
+	Copyright (C) 2017  Ivan Pelipenko peri4ko@yandex.ru
 
     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