diff --git a/src/geonames.c b/src/geonames.c
index 55c7a8a..3a9db9a 100644
--- a/src/geonames.c
+++ b/src/geonames.c
@@ -1,3 +1,28 @@
+/**
+ * Geonames.org lookup routines
+ *
+ * @copyright	2012 Steffen Vogel
+ * @license	http://www.gnu.org/licenses/gpl.txt GNU Public License
+ * @author	Steffen Vogel <post@steffenvogel.de>
+ * @link	http://www.steffenvogel.de/2012/03/14/cron-jobs-fur-sonnenauf-untergang/
+ */
+/*
+ * This file is part of sun
+ *
+ * sun 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
+ * any later version.
+ *
+ * sun 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 sun. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/src/geonames.h b/src/geonames.h
index 4c26669..ebb51e5 100644
--- a/src/geonames.h
+++ b/src/geonames.h
@@ -1,3 +1,28 @@
+/**
+ * Header file for Geonames.org lookup
+ *
+ * @copyright	2012 Steffen Vogel
+ * @license	http://www.gnu.org/licenses/gpl.txt GNU Public License
+ * @author	Steffen Vogel <post@steffenvogel.de>
+ * @link	http://www.steffenvogel.de/2012/03/14/cron-jobs-fur-sonnenauf-untergang/
+ */
+/*
+ * This file is part of sun
+ *
+ * sun 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
+ * any later version.
+ *
+ * sun 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 sun. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef _GEONAMES_H_
 #define _GEONAMES_H_
 
diff --git a/src/geonames_main.c b/src/geonames_main.c
index a1ea54f..408ac75 100644
--- a/src/geonames_main.c
+++ b/src/geonames_main.c
@@ -1,6 +1,32 @@
+/**
+ * Geonames.org test
+ *
+ * @copyright	2012 Steffen Vogel
+ * @license	http://www.gnu.org/licenses/gpl.txt GNU Public License
+ * @author	Steffen Vogel <post@steffenvogel.de>
+ * @link	http://www.steffenvogel.de/2012/03/14/cron-jobs-fur-sonnenauf-untergang/
+ */
+/*
+ * This file is part of sun
+ *
+ * sun 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
+ * any later version.
+ *
+ * sun 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 sun. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "../config.h"
 #include "geonames.h"
 
 int main(int argc, char *argv[]) {
diff --git a/src/sun_main.c b/src/sun_main.c
index 31dc354..3b55ebb 100644
--- a/src/sun_main.c
+++ b/src/sun_main.c
@@ -1,4 +1,4 @@
-	/**
+/**
  * Main routine
  *
  * Does parsing of command line options and start calculation