diff --git a/variables.txt b/variables.txt
index afe678bdd0903e84fa1cbc86fd497dd5ef01dd7b..f187809f62d7eccf2fe7372e7ac0f3d96962061b 100644
--- a/variables.txt
+++ b/variables.txt
@@ -1,5 +1,14 @@
 So, better late then never.
 
+#http://linux.die.net/man/8/debootstrap
+Debootstrap:
+deb_distribution
+deb_codename
+deb_arch
+deb_include
+deb_exclude
+deb_components
+
 User Setup:
 rfs_username
 rfs_fullname