Yubico/yubico-pam — pull request #12 by xorbyte (2012-10-30 20:24:22+00:00)
Title: Distinguish 'characters' from 'digits' in README

The Yubikey token ID is 12 characters long, not 12 digits long. This
can make it slightly confusing when first setting a key up, and in
any case it's incorrect language.