If you allowed password based logins to your wiki, those passwords were
stored in cleartext in the userdb. To guard against exposing users'
- passwords, I recommend you install the Authen::Passphrase perl module, and
+ passwords, I recommend you install the [[cpan Authen::Passphrase]] perl module, and
then run `ikiwiki-transition hashpassword /path/to/srcdir` to replace all
existing cleartext passwords with strong (blowfish) hashes.