```ruby
class ConstitutionProposal < Proposal
  def voting_system
    organisation.constitution.voting_system(:membership)
  end
  
  def decision_notification_message
    "If you have previously printed/saved a PDF copy of the member list, this prior copy is now out of date. Please consider reprinting/saving a copy of the latest member list for your records."
  end
end
```

Fix poor copy-and-paste skills in setting up new ConstitutionProposal class.
user
```ruby
class ConstitutionProposal < Proposal
  def voting_system
    organisation.constitution.voting_system(:constitution)
  end
  
  def decision_notification_message
    "If you have previously printed/saved a PDF copy of the constitution, this prior copy is now out of date. Please consider reprinting/saving a copy of the latest constitution for your records."
  end
end
```
assistant