diff --git a/README.md b/README.md
index 8e6164d..beb7ded 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,9 @@ At this stage, the module is being redeveloped and being built to the latest sta
 ## Features
 
 - if FQDN equals the specified `ng_nagios_server`, nagios server with all required specs is installed, else only nagios client packages and the target specs
-- an additional directory /etc/nagios/conf.d is created to place the custom checks etc. without being overwritten by updates. 
+- an additional directory /etc/nagios/conf.d is created to place the custom checks etc. without being overwritten by updates.
+- contacts and contactgroups are separated and filled in via define
+- hostgroups are filled in via define, hosts are added dynamically
 - configures all required directories for server and clients and sets proper permissions and selinux contexts
 - configures the main nagios configuration file and sets values as (pre)configured per values in params, which can be overwritten.
 - if `ng_include_nrpe`is set to `true`, the confdroid_nrpe module is automatically applied on clients ([confdroid_nrpe](https://sourcecode.confdroid.com/confdroid/confdroid_nrpe) must be in the catalogue then)
diff --git a/manifests/nagios/resources/resource_df.pp b/manifests/nagios/resources/resource_df.pp
index 3de1356..63ab23e 100644
--- a/manifests/nagios/resources/resource_df.pp
+++ b/manifests/nagios/resources/resource_df.pp
@@ -9,9 +9,9 @@
 #############################################################################
 define confdroid_nagios::nagios::resources::resource_df (
 
-  Optional[String] 'nagios'_arg_name     = undef,
-  Optional[String] 'nagios'_arg_value    = undef,
-  Optional[String] 'nagios'_arg_comment  = undef,
+  Optional[String] $ng_user_arg_name     = undef,
+  Optional[String] $ng_user_arg_value    = undef,
+  Optional[String] $ng_user_arg_comment  = undef,
   String $ng_resource_rule_erb           = 'confdroid_nagios/nagios/resource_cfg_rule.erb',
 
 ) {