A Debian user reported the following mistake:
#: g10/keyedit.c:987
msgid "The signature will be marked as non-revocable.\n"
msgstr "Die Unterschrift wird als nicht-exportfähig markiert werden.\n"
non-revocable != nicht-exportfähig. Guess, this is a c&p-bug :) Should be easy
to fix. The bug exists in both gnupg and gnupg2.