diff --git a/include/rtl-sdr.h b/include/rtl-sdr.h
index 4a1c570..de1957a 100644
--- a/include/rtl-sdr.h
+++ b/include/rtl-sdr.h
@@ -1,11 +1,12 @@
 /*
  * rtl-sdr, a poor man's SDR using a Realtek RTL2832 based DVB-stick
  * Copyright (C) 2012 by Steve Markgraf <steve@steve-m.de>
+ * Copyright (C) 2012 by Dimitri Stolnikov <horiz0n@gmx.net>
  *
  * 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 2 of the License, or
- *(at your option) any later version.
+ * (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
diff --git a/include/rtl-sdr_export.h b/include/rtl-sdr_export.h
index 737e36b..d279f9f 100644
--- a/include/rtl-sdr_export.h
+++ b/include/rtl-sdr_export.h
@@ -1,3 +1,21 @@
+/*
+ * rtl-sdr, a poor man's SDR using a Realtek RTL2832 based DVB-stick
+ * Copyright (C) 2012 by Hoernchen <la@tfc-server.de>
+ *
+ * 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 2 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 <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef RTLSDR_EXPORT_H
 #define RTLSDR_EXPORT_H
 
diff --git a/src/main.c b/src/main.c
index 1ca1a17..e21059f 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5,7 +5,7 @@
  * 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 2 of the License, or
- *(at your option) any later version.
+ * (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
diff --git a/src/rtl-sdr.c b/src/rtl-sdr.c
index 0db4b9a..2d03b97 100644
--- a/src/rtl-sdr.c
+++ b/src/rtl-sdr.c
@@ -1,6 +1,7 @@
 /*
  * rtl-sdr, a poor man's SDR using a Realtek RTL2832 based DVB-stick
  * Copyright (C) 2012 by Steve Markgraf <steve@steve-m.de>
+ * Copyright (C) 2012 by Dimitri Stolnikov <horiz0n@gmx.net>
  *
  * 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