diff --git a/plugins/modules/subnet.py b/plugins/modules/subnet.py
index 6ddbad4..cac0d5c 100644
--- a/plugins/modules/subnet.py
+++ b/plugins/modules/subnet.py
@@ -115,7 +115,7 @@
         default: no
     scan_agent:
         description: Name of scanagent which should be used for subnet
-        type: string
+        type: str
         required: false
     ping_subnet:
         description: Controls if subnet should be included in status checks
@@ -134,7 +134,7 @@
         default: no
     subnet_state:
         description: Assigned tag of the subnet.
-        type: string
+        type: str
         required: false
     threshold:
         description: Subnet threshold
diff --git a/plugins/modules/vlan.py b/plugins/modules/vlan.py
index 210c335..324e629 100644
--- a/plugins/modules/vlan.py
+++ b/plugins/modules/vlan.py
@@ -45,7 +45,7 @@
         required: true
     routing_domain:
         description: Name of the L2 routing domain of that VLAN
-        type: string
+        type: str
         required: false
 extends_documentation_fragment:
     - codeaffen.phpipam.phpipam