To me it feels like the person responsible for the lettering has no English knowledge and is doing so from some hand-written notes sent by the translator.
And it is possible the hand script is so bad that the typesetter has no clues whether it is a P or an R.
I don't understand why there isn't a policy to prevent new users from uploading anything before it is manually checked by some moderators.
This could use a reputation-based system as in StackOverflow where any user with enough reputation can validate/invalidate new submission (from a moderation...