diff --git a/ftpfs-ls.c b/ftpfs-ls.c
index 5c9175b..432a0ac 100644
--- a/ftpfs-ls.c
+++ b/ftpfs-ls.c
@@ -1,3 +1,11 @@
+/*
+    FTP file system
+    Copyright (C) 2006 Robson Braga Araujo <robsonbraga@gmail.com>
+
+    This program can be distributed under the terms of the GNU GPL.
+    See the file COPYING.
+*/
+
 #define _XOPEN_SOURCE
 #include <time.h>
 #include <string.h>
diff --git a/ftpfs-ls.h b/ftpfs-ls.h
index e7262a0..0ec087e 100644
--- a/ftpfs-ls.h
+++ b/ftpfs-ls.h
@@ -1,6 +1,14 @@
 #ifndef __CURLFTPFS_FTPFS_LS_H__
 #define __CURLFTPFS_FTPFS_LS_H__
 
+/*
+    FTP file system
+    Copyright (C) 2006 Robson Braga Araujo <robsonbraga@gmail.com>
+
+    This program can be distributed under the terms of the GNU GPL.
+    See the file COPYING.
+*/
+
 #include "cache.h"
 
 int parse_dir(const char* list, const char* dir,
diff --git a/ftpfs.h b/ftpfs.h
index 9922afc..4ea830e 100644
--- a/ftpfs.h
+++ b/ftpfs.h
@@ -1,6 +1,14 @@
 #ifndef __CURLFTPFS_FTPFS_H__
 #define __CURLFTPFS_FTPFS_H__
 
+/*
+    FTP file system
+    Copyright (C) 2006 Robson Braga Araujo <robsonbraga@gmail.com>
+
+    This program can be distributed under the terms of the GNU GPL.
+    See the file COPYING.
+*/
+
 #include <curl/curl.h>
 #include <curl/easy.h>
 #include <pthread.h>
diff --git a/tests/ftpfs-ls_unittest.c b/tests/ftpfs-ls_unittest.c
index 29316f1..40bf9f4 100644
--- a/tests/ftpfs-ls_unittest.c
+++ b/tests/ftpfs-ls_unittest.c
@@ -1,3 +1,11 @@
+/*
+    FTP file system
+    Copyright (C) 2006 Robson Braga Araujo <robsonbraga@gmail.com>
+
+    This program can be distributed under the terms of the GNU GPL.
+    See the file COPYING.
+*/
+
 #include "ftpfs.h"
 #include "ftpfs-ls.h"
 #include <stdlib.h>