diff --git a/plugins/inventory/inventory.py b/plugins/inventory/inventory.py
index 089a8b4..6933bea 100644
--- a/plugins/inventory/inventory.py
+++ b/plugins/inventory/inventory.py
@@ -4,6 +4,8 @@
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 # Part of ansible markuman.hetzner_dns collection
 
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
 
 from ansible_collections.markuman.hetzner_dns.plugins.module_utils.helper import HetznerAPIHandler
 from ansible_collections.markuman.hetzner_dns.plugins.module_utils.helper import ZoneInfo
@@ -13,7 +15,7 @@ import os
 DOCUMENTATION = '''
     name: hetzner_dns
     plugin_type: inventory
-
+    description: Use hetzner dns zone as ansible inventory.
     options:
         zone_name:
             description: dns zone name.
diff --git a/plugins/module_utils/helper.py b/plugins/module_utils/helper.py
index 158a75e..b6b5683 100644
--- a/plugins/module_utils/helper.py
+++ b/plugins/module_utils/helper.py
@@ -4,6 +4,9 @@
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 # Part of ansible markuman.hetzner_dns collection
 
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
 import os
 import requests
 import json
diff --git a/plugins/modules/record.py b/plugins/modules/record.py
index a08a728..a9f4993 100644
--- a/plugins/modules/record.py
+++ b/plugins/modules/record.py
@@ -4,8 +4,12 @@
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 # Part of ansible markuman.hetzner_dns collection
 
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
 DOCUMENTATION = '''
-module: markuman.hetzner_dns.zone_info
+module: markuman.hetzner_dns.record
+description: Create, update and delete dns records
 '''
 
 EXAMPLES = '''
diff --git a/plugins/modules/record_info.py b/plugins/modules/record_info.py
index c7798e7..8a87343 100644
--- a/plugins/modules/record_info.py
+++ b/plugins/modules/record_info.py
@@ -4,8 +4,12 @@
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 # Part of ansible markuman.hetzner_dns collection
 
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
 DOCUMENTATION = '''
-module: markuman.hetzner_dns.zone_info
+module: markuman.hetzner_dns.record_info
+description: Get information about dns records.
 '''
 
 EXAMPLES = '''
diff --git a/plugins/modules/zone_info.py b/plugins/modules/zone_info.py
index 2f928ec..507919b 100644
--- a/plugins/modules/zone_info.py
+++ b/plugins/modules/zone_info.py
@@ -4,8 +4,12 @@
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 # Part of ansible markuman.hetzner_dns collection
 
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
+
 DOCUMENTATION = '''
 module: markuman.hetzner_dns.zone_info
+description: Get information about a hetzner dns zone.
 '''
 
 EXAMPLES = '''