Links not showing on registry form

What appear to be some labels in the registry form are not showing properly:

Also in the profile page, a privacy link isn’t showing:

What could be the cause?

Those locale message strings may need an update for your locale.

@Vitaliy Could you point me to a reference that shows how to update those strings? Is this a template, config file?

Note: This installation is running in a Linux Ubuntu.
You need to add those for your locale

Solved it, thank you @Vitaliy