Fix description of SCRIPTS variable in config file

While at it adjust order of CHROOT_SCRIPTS, PRE_SCRIPTS and
CHROOT_SCRIPTS to better fit the actual execution order.

Thanks: Jimmy Gredler for the hint

config

@@ -125,15 +125,15 @@
 # Default: 'yes' (if file exists)
 # DEBCONF='no'
 
-# Run scripts from /etc/debootstrap/chroot-scripts/ inside chroot.
-# Default: 'yes'
-# CHROOT_SCRIPTS='no'
-
 # Run scripts from /etc/debootstrap/pre-scripts/ before creating the chroot.
 # Default: 'yes'
 # PRE_SCRIPTS='no'
 
-# Run scripts from /etc/debootstrap/pre-scripts/ after setting up chroot.
+# Run scripts from /etc/debootstrap/chroot-scripts/ inside chroot.
+# Default: 'yes'
+# CHROOT_SCRIPTS='no'
+
+# Run scripts from /etc/debootstrap/scripts/ after setting up chroot.
 # Default: 'yes'
 # SCRIPTS='no'