update
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@870 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/qemu-doc.texi b/qemu-doc.texi
index 0e3f617..395f39a 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -196,7 +196,8 @@
@table @option
@item -fda file
@item -fdb file
-Use @var{file} as floppy disk 0/1 image (@xref{disk_images}).
+Use @var{file} as floppy disk 0/1 image (@xref{disk_images}). You can
+use the host floppy by using @file{/dev/fd0} as filename.
@item -hda file
@item -hdb file
@@ -206,7 +207,8 @@
@item -cdrom file
Use @var{file} as CD-ROM image (you cannot use @option{-hdc} and and
-@option{-cdrom} at the same time).
+@option{-cdrom} at the same time). You can use the host CD-ROM by
+using @file{/dev/cdrom} as filename.
@item -boot [a|c|d]
Boot on floppy (a), hard disk (c) or CD-ROM (d). Hard disk boot is
