-Koha 3.4.x no longer stores items in biblio records so as part of the
-upgrade you will need to do the following two steps, they can take a
-long time (several hours) to complete for large databases
+Koha 3.4.x or later no longer stores items in biblio records.
+If you are upgrading from an older version ou will need to do the
+following two steps, they can take a long time (several hours) to
+complete for large databases