```ruby
class CreateTags < ActiveRecord::Migration
  def change
    create_table :tags |t|
      t.string :description

      t.timestamps null: false
    end 
  end
end
```

Add do to tags migration
user
```ruby
class CreateTags < ActiveRecord::Migration
  def change
    create_table :tags do |t|
      t.string :description

      t.timestamps null: false
    end
  end
end
```
assistant