'be updated on' is correct and can be used in written English.
It usually means to stay informed of something. Example: It is important to be updated on the latest news.
Its purpose was to provide team supporters one place to be updated on blogs concerning the team.
(The rate will be updated on Aug. 1).
It asked for a meeting to be updated on the league's investigation into the combine incident.
Digital editions will be updated on Friday morning with our coverage of the result.
This alert will be updated on Sunday in light of further information".
But he did agree to meet intelligence officials next week, to be "updated on the facts".
The poll will be updated on 7 May with an additional 450 or so late interviews added into the sample.
First, it is joined by an online version, which will be updated on an almost continuous basis.
The maps will be updated on a monthly basis and show which police officers are responsible for solving crime in each area.
Honda said in a report filed with the safety agency that the software would be updated on the electronic stability control, which it called Vehicle Stability Assist.
