diff --git a/libnfc/iso7816.h b/libnfc/iso7816.h
index 4e058a3..250f053 100644
--- a/libnfc/iso7816.h
+++ b/libnfc/iso7816.h
@@ -17,6 +17,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  */
 
+ /**
+ * @file iso7816.h
+ * @brief Defines some macros extracted for ISO/IEC 7816-4
+ */
+
 #ifndef __LIBNFC_ISO7816_H__
 #define __LIBNFC_ISO7816_H__
 
diff --git a/libnfc/nfc-device.c b/libnfc/nfc-device.c
index 567fc75..b62e877 100644
--- a/libnfc/nfc-device.c
+++ b/libnfc/nfc-device.c
@@ -1,3 +1,27 @@
+/*-
+ * Public platform independent Near Field Communication (NFC) library
+ * 
+ * Copyright (C) 2011, Romain Tartière, Romuald Conty
+ * 
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+ /**
+ * @file nfc-device.c
+ * @brief Provide internal function to manipulate nfc_device_t type
+ */
+
 /* vim:set et sw=2 ts=2: */
 
 #include <stdlib.h>
diff --git a/libnfc/nfc-emulation.c b/libnfc/nfc-emulation.c
index 0686917..c32b564 100644
--- a/libnfc/nfc-emulation.c
+++ b/libnfc/nfc-emulation.c
@@ -17,6 +17,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  */
 
+ /**
+ * @file nfc-emulate.c
+ * @brief Provide a small API to ease emulation in libnfc
+ */
+
 #include <nfc/nfc.h>
 #include <nfc/nfc-emulation.h>