diff --git a/README.md b/README.md
index d6117f8..daa4360 100644
--- a/README.md
+++ b/README.md
@@ -32,12 +32,7 @@ NRPE allows monitoring tools like NAGIOS or ICINGA to connect to clients for mon
 
 ## Features
 
-INSTALLATION
-
 * install nrpe binaries
-
-CONFIGURATION
-
 * manage NRPE service user properties
 * manage directory structure (file system permissions, selinux context) through parameters
 * manage configuration files through parameters:
@@ -45,13 +40,12 @@ CONFIGURATION
   * nrpe.cfg
 * manage sudo role for nagios user on NRPE clients
 * manage dynamic NRPE check command  definitions
-* manage iptables (optional)
+* manage iptables (optional). set `ne_incl_fw`to `true`. Specify a custom value to `ne_nagios_source` for the nagior server IP or range.
 * manage selinux rule exceptions (optional)
-
-SERVICE
-
 * manage NRPE service
 
+> Note: The value for the `nagios_server` variable is derived from a global paraneter set in Foreman (`nagios_server`), because the paremeter is used across multiple modules. You need to set that manually in Foreman under "Global Parameters".
+
 ## Repo Documentation
 
 See the full Puppet documentation including parameters in `docs/index.html`