diff --git a/manifests/params.pp b/manifests/params.pp
index b6a9754..6b6ff31 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -1,45 +1,43 @@
 ## cd_alloy::params.pp
 # Module name: cd_alloy
 # Author: Arne Teuke (arne_teuke@confdroid.com)
-# @param  [string] reqpackages which packages to install
-# @param  [string] pkg_ensure  'latest' or 'present'
+# @param [string] reqpackages which packages to install
+# @param [string] pkg_ensure  'latest' or 'present'
 # @param [string] ay_loki_url the url where alloy will send logs to.
 # @param [string] ay_loki_username the username to logon to loki
 # @param [string] ay_loki_userpass the password to logon to loki
 # @param [boolean] ay_manage_loki whether to manage log forwarding to loki
 # @param [boolean] ay_manage_prom whether to manage metric forwarding
 # @param [string] ay_prom_url the url where alloy will send metrics
+# @param [array] ay_log_targets the logging targets
 # @summary Class contains all parameters for the cd_alloy module.
 ##############################################################################
 class cd_alloy::params (
 
-$reqpackages        = 'alloy',
-$pkg_ensure         = 'latest',
+  String $reqpackages         = 'alloy',
+  String $pkg_ensure          = 'latest',
 
 # loki
-$ay_manage_loki     = true,
-$ay_loki_url        = 'https://loki.example.net/loki/api/v1/push',
-$ay_loki_username   = '',
-$ay_loki_userpass   = '',
-$ay_log_targets     = ['/var/log/messages','/var/log/secure',],
+  String $ay_manage_loki      = true,
+  String $ay_loki_url         = 'https://loki.example.net/loki/api/v1/push',
+  String $ay_loki_username    = 'loki_user',
+  String $ay_loki_userpass    = 'loki_pass',
+  Array $ay_log_targets       = ['/var/log/messages','/var/log/secure',],
 
 # prometheus
-$ay_manage_prom     = true,
-$ay_prom_url        = 'https://prometheus.example.net/api/v1/write',
+  Boolean $ay_manage_prom     = true,
+  String $ay_prom_url         = 'https://prometheus.example.net/api/v1/write',
 
 ) {
+  # service
+  $ay_service         = 'alloy'
 
-# service
-$ay_service         = 'alloy'
-
-# dirs
-$ay_main_dir        = '/etc/alloy'
-
-# files
-$ay_main_file       = "${ay_main_dir}/config.alloy"
+  # dirs
+  $ay_main_dir        = '/etc/alloy'
 
+  # files
+  $ay_main_file       = "${ay_main_dir}/config.alloy"
 
   # includes must be last
   include cd_alloy::main::config
-
 }