-# The base disto version, which is also the basefile name if it exists.
-# Debian stable basefile gets built by faisetup and gets used otherwise,:
-# STRETCH64, XENIAL64, BELENOS64, FLIDAS64
+# The base disto version, only use so far is the basefile name if it exists.
+# Debian stable basefile gets built by faisetup and gets used otherwise.
+# With X suffix, means it has gone through the dirinstall process and has eXtra
+# things installed, to speed up installation.
+# STRETCH64, XENIAL64, BELENOS64, FLIDAS64, FLIDAS64X