diff --git a/rackspace/networking/v2/ports/delegate.go b/rackspace/networking/v2/ports/delegate.go
index 091b99e..95728d1 100644
--- a/rackspace/networking/v2/ports/delegate.go
+++ b/rackspace/networking/v2/ports/delegate.go
@@ -24,6 +24,9 @@
 
 // Create accepts a CreateOpts struct and creates a new network using the values
 // provided. You must remember to provide a NetworkID value.
+//
+// NOTE: Currently the SecurityGroup option is not implemented to work with
+// Rackspace.
 func Create(c *gophercloud.ServiceClient, opts os.CreateOptsBuilder) os.CreateResult {
 	return os.Create(c, opts)
 }