diff --git a/lib/ansible/modules/network/nxos/nxos_config.py b/lib/ansible/modules/network/nxos/nxos_config.py
index d2492877d14..9a80099a4e2 100644
--- a/lib/ansible/modules/network/nxos/nxos_config.py
+++ b/lib/ansible/modules/network/nxos/nxos_config.py
@@ -74,7 +74,7 @@ options:
     required: false
     default: line
     choices: ['line', 'strict', 'exact']
-  replace
+  replace:
     description:
       - Instructs the module on the way to perform the configuration
         on the device.  If the replace argument is set to I(line) then