diff --git a/rebuild-ipxe.sh b/rebuild-ipxe.sh
index 561cd46..2d1ad5a 100755
--- a/rebuild-ipxe.sh
+++ b/rebuild-ipxe.sh
@@ -1,7 +1,8 @@
 #!/bin/sh
 # Nico Schottelius, 2019-09-20, Seoul, Coffebean, 23:56
 # Copying: GPLv3
-
+echo "If you are running alpine, these packages are needed:"
+echo "apk add alpine-sdk xz-dev"
 set -x
 set -e