diff --git a/src/northbridge/intel/i440bx/raminit.h b/src/northbridge/intel/i440bx/raminit.h
index 6e40683..3612f31 100644
--- a/src/northbridge/intel/i440bx/raminit.h
+++ b/src/northbridge/intel/i440bx/raminit.h
@@ -1,11 +1,33 @@
+/*
+ * This file is part of the LinuxBIOS project.
+ *
+ * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
 #ifndef RAMINIT_H
 #define RAMINIT_H
 
+/* The 440BX supports up to four (single- or double-sided) DIMMs. */
 #define DIMM_SOCKETS 4
+
+/* The 440BX memory controller has one channel only. */
 struct mem_controller {
-  device_t d0;
-  uint16_t channel0[DIMM_SOCKETS];
+	device_t d0;
+	uint16_t channel0[DIMM_SOCKETS];
 };
 
-
-#endif /* RAMINIT_H */
+#endif				/* RAMINIT_H */