diff --git a/lib/puppet/type/docker_compose.rb b/lib/puppet/type/docker_compose.rb
index fcec64e..9665ade 100644
--- a/lib/puppet/type/docker_compose.rb
+++ b/lib/puppet/type/docker_compose.rb
@@ -1,50 +1,50 @@
 # frozen_string_literal: true
 
 Puppet::Type.newtype(:docker_compose) do
   @doc = 'A type representing a Docker Compose file'
 
   ensurable
 
   def refresh
     provider.restart
   end
 
   newparam(:scale) do
     desc 'A hash of compose services and number of containers.'
     validate do |value|
       raise _('scale should be a Hash') unless value.is_a? Hash
       unless value.all? { |k, _v| k.is_a? String }
         raise _('The name of the compose service in scale should be a String')
       end
       unless value.all? { |_k, v| v.is_a? Integer }
         raise _('The number of containers in scale should be an Integer')
       end
     end
   end
 
   newparam(:options) do
     desc 'Additional options to be passed directly to docker-compose.'
     validate do |value|
-      raise _('options should be a String') unless value.is_a? String
+      raise _('options should be an Array') unless value.is_a? Array
     end
   end
 
   newparam(:up_args) do
     desc 'Arguments to be passed directly to docker-compose up.'
     validate do |value|
       raise _('up_args should be a String') unless value.is_a? String
     end
   end
 
   newparam(:compose_files, array_matching: :all) do
     desc 'An array of Docker Compose Files paths.'
     validate do |value|
       raise _('compose files should be an array') unless value.is_a? Array
     end
   end
 
   newparam(:name) do
     isnamevar
     desc 'The name of the project'
   end
 end