named return vars
diff --git a/openstack/compute/v2/extensions/floatingips/urls.go b/openstack/compute/v2/extensions/floatingips/urls.go
index f8181da..4768e5a 100644
--- a/openstack/compute/v2/extensions/floatingips/urls.go
+++ b/openstack/compute/v2/extensions/floatingips/urls.go
@@ -24,14 +24,14 @@
 	return getURL(c, id)
 }
 
-func serverURL(c *gophercloud.ServiceClient, serverId string) string {
-	return c.ServiceURL("servers/" + serverId + "/action")
+func serverURL(c *gophercloud.ServiceClient, serverID string) string {
+	return c.ServiceURL("servers/" + serverID + "/action")
 }
 
-func associateURL(c *gophercloud.ServiceClient, serverId string) string {
-	return serverURL(c, serverId)
+func associateURL(c *gophercloud.ServiceClient, serverID string) string {
+	return serverURL(c, serverID)
 }
 
-func disassociateURL(c *gophercloud.ServiceClient, serverId string) string {
-	return serverURL(c, serverId)
+func disassociateURL(c *gophercloud.ServiceClient, serverID string) string {
+	return serverURL(c, serverID)
 }