Error In server.rb, passing a list to package.package_name

[mearns]

Trying to run the default recipe, I get the following error:

==> server: Chef::Exceptions::ValidationFailed
==> server:
==> server: ----------------------------------
==> server:
==> server: Option package_name must be a kind of [String]!  You passed ["avahi-daemon", "avahi-utils"].
==> server:
==> server:
==> server:     Resource Declaration:
==> server:     ---------------------
==> server:     # In /tmp/vagrant-chef/4ed2151507a05366fb8d1b42bf07b377/cookbooks/plexapp/recipes/server.rb
==> server:
==> server:      29: package [ 'avahi-daemon', 'avahi-utils' ] if platform_family?('debian')
==> server:      30:
==> server:
==> server:     Compiled Resource:
==> server:     ------------------
==> server:     # Declared in /tmp/vagrant-chef/4ed2151507a05366fb8d1b42bf07b377/cookbooks/plexapp/recipes/server.rb:29:in `from_file'
==> server:
==> server:     package("["avahi-daemon", "avahi-utils"]") do
==> server:       action :install
==> server:       retries 0
==> server:       retry_delay 2
==> server:       guard_interpreter :default
==> server:       package_name ["avahi-daemon", "avahi-utils"]
==> server:       timeout 900
==> server:       cookbook_name :plexapp
==> server:       recipe_name "server"
==> server:     end

cookbook version 1.0.0