-Postgres database uses system's functions to deal with timezones.
-You shouldn't do anything particular except making sure that
-data in F</usr/share/zoneinfo> is up to date. On some systems
-this means upgrading a system package.
+PostgreSQL database uses your operating system's functions to convert
+timezones. You don't need to do anything in particular except making
+sure that the data in F</usr/share/zoneinfo> is up to date. On some
+systems this means upgrading a system package.