Fix typo in README: admin_server needs to be a string literal, not an array of strings.
Fix typo in README: admin_server needs to be a string literal, not an array of strings.

michaelweiser/puppet-module-kerberos,edgester/puppet-module-kerberos,DonMaja/puppet-module-kerberos,edgester/puppet-module-kerberos,DonMaja/puppet-module-kerberos,DonMaja/puppet-module-kerberos,michaelweiser/puppet-module-kerberos,edgester/puppet-module-kerberos,michaelweiser/puppet-module-kerberos