dsl struct tags; wip
diff --git a/openstack/cdn/v1/base/requests.go b/openstack/cdn/v1/base/requests.go
index ed3e7a0..15f8346 100644
--- a/openstack/cdn/v1/base/requests.go
+++ b/openstack/cdn/v1/base/requests.go
@@ -5,17 +5,17 @@
 // Get retrieves the home document, allowing the user to discover the
 // entire API.
 func Get(c *gophercloud.ServiceClient) GetResult {
-	var res GetResult
-	_, res.Err = c.Get(getURL(c), &res.Body, nil)
-	return res
+	var r GetResult
+	_, r.Err = c.Get(getURL(c), &r.Body, nil)
+	return r
 }
 
 // Ping retrieves a ping to the server.
 func Ping(c *gophercloud.ServiceClient) PingResult {
-	var res PingResult
-	_, res.Err = c.Get(pingURL(c), nil, &gophercloud.RequestOpts{
+	var r PingResult
+	_, r.Err = c.Get(pingURL(c), nil, &gophercloud.RequestOpts{
 		OkCodes:     []int{204},
 		MoreHeaders: map[string]string{"Accept": ""},
 	})
-	return res
+	return r
 }