diff --git a/plugins/modules/device.py b/plugins/modules/device.py
index 5cc310b..d95cfce 100644
--- a/plugins/modules/device.py
+++ b/plugins/modules/device.py
@@ -53,6 +53,7 @@
         description: List of sections where the device belongs to
         type: list
         required: false
+        elements: str
     rack:
         description:
             - Rack where the device belongs to.
diff --git a/plugins/modules/domain.py b/plugins/modules/domain.py
index bde1584..08ac40b 100644
--- a/plugins/modules/domain.py
+++ b/plugins/modules/domain.py
@@ -41,6 +41,7 @@
         description: List of sections where the nameserver appears
         type: list
         required: false
+        elements: str
 extends_documentation_fragment:
     - codeaffen.phpipam.phpipam
     - codeaffen.phpipam.phpipam.entity_state
diff --git a/plugins/modules/nameserver.py b/plugins/modules/nameserver.py
index 4d04e3c..6871fbd 100644
--- a/plugins/modules/nameserver.py
+++ b/plugins/modules/nameserver.py
@@ -41,10 +41,12 @@
         description: List of IP addresses the namerserver can be reached on
         type: list
         required: false
+        elements: str
     sections:
         description: List of sections where the nameserver appears
         type: list
         required: false
+        elements: str
 extends_documentation_fragment:
     - codeaffen.phpipam.phpipam
     - codeaffen.phpipam.phpipam.entity_state
diff --git a/plugins/modules/vrf.py b/plugins/modules/vrf.py
index 859bd17..2a3fe01 100644
--- a/plugins/modules/vrf.py
+++ b/plugins/modules/vrf.py
@@ -45,6 +45,7 @@
         description: List of sections where the nameserver appears
         type: list
         required: false
+        elements: str
 extends_documentation_fragment:
     - codeaffen.phpipam.phpipam
     - codeaffen.phpipam.phpipam.entity_state