[archiso] Rename root-image to airootfs

Two purposes:
 * systemd filename friendly: "-" is used for "/" and must be escaped with "\x20"
 * ISO9660 filename friendly: "-" is replaced with "_"

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/README.build b/docs/README.build
index e22ec65..1f2d703 100644
--- a/docs/README.build
+++ b/docs/README.build
@@ -22,7 +22,7 @@ INDEX
  + dosfstools              for mkfs.vfat
  + lynx                    for fetching the latest installation guide
 
-** For these hooks needs these packages (on target root-image)
+** For these hooks needs these packages (on target airootfs)
 * archiso
  + (none)
 * archiso_loop_mnt