diff --git a/backuppc/manifests/init.pp b/backuppc/manifests/init.pp
index b452a79..5e784b3 100644
--- a/backuppc/manifests/init.pp
+++ b/backuppc/manifests/init.pp
@@ -1,4 +1,19 @@
 
+# Add client into BackupPC server
+#
+# === Parameters
+#
+#   $name:
+#       Client hostname
+#
+#   $ensure:
+#       If set to present client will be added and if absent
+#       it will be removed from server.
+#
+#   $operatingsystem:
+#       Operatingsystem of client. Used to find correct client
+#       configuration. Defaults to "default".
+#
 define backuppc::manualclient($ensure = "present", $operatingsystem = "default") {
 
     @@file { "/etc/BackupPC/pc/${name}.pl":
@@ -17,6 +32,8 @@ define backuppc::manualclient($ensure = "present", $operatingsystem = "default")
 
 }
 
+# Install host into BackupPC server as client.
+#
 class backuppc::client {
 
     backuppc::manualclient { "${fqdn}":
@@ -26,6 +43,8 @@ class backuppc::client {
 
 }
 
+# Install BackupPC server and add defined clients.
+#
 class backuppc::server {
 
     package { "BackupPC":