* more more fix
diff --git a/head.S b/head.S
index 4dec437..0dab98d 100644
--- a/head.S
+++ b/head.S
@@ -10,18 +10,20 @@
/* When bootstub get control, the memory map in DRAM is like:
* ~ ~
- * 0x102000 | initramfs |
- *+bzImage size +-----------------------+
+ * 0x102000 | initrd | initrd will move to high memory otherwise
+ *+bzImage size +-----------------------+ bzImage uncompressing will destory it
* | bzImage |
* 0x102000 +-----------------------+
* | boot stub |
* 0x101000 +-----------------------+
* | free space |
- * | used as stack |
+ * | used as stack |
+ * 0x10010c +-----------------------+
+ * | initrd size | MIC need to fill it according to bzImage size
* 0x100108 +-----------------------+
- * | initramfs offset| MIC need to fill it according to bzImage size
+ * | bzImage size | MIC need to fill it according to initrd size
* 0x100104 +-----------------------+
- * | initramfs size | MIC need to fill it according to initrd size
+ * | mem size | MIC need to fill it
* 0x100100 +-----------------------+
* | kernel cmdline | MIC need to fill it
* 0x100000 +-----------------------+
