I have found the problem, it is in the en_GB translation: https://translations.launchpad.net/ubuntu/quantal/+source/update-manager/+pots/update-manager/en_GB/19/+translate
I have found the problem, it is in the en_GB translation: https:/ /translations. launchpad. net/ubuntu/ quantal/ +source/ update- manager/ +pots/update- manager/ en_GB/19/ +translate