diff --git a/lib/ansible/modules/network/nxos/nxos_switchport.py b/lib/ansible/modules/network/nxos/nxos_switchport.py
index fb828b9318..426c229867 100644
--- a/lib/ansible/modules/network/nxos/nxos_switchport.py
+++ b/lib/ansible/modules/network/nxos/nxos_switchport.py
@@ -73,6 +73,7 @@ options:
             - if mode=trunk, these are the only VLANs that should be
               configured on the trunk
         required: false
+        version_added: 2.2
         default: null
 
 '''