Fixed a handful of typos
diff --git a/openstack/networking/v2/subnets/requests.go b/openstack/networking/v2/subnets/requests.go
index 2e6d670..cd7c663 100644
--- a/openstack/networking/v2/subnets/requests.go
+++ b/openstack/networking/v2/subnets/requests.go
@@ -60,7 +60,7 @@
// the returned collection for greater efficiency.
//
// Default policy settings return only those subnets that are owned by the tenant
-// who submits the request, unless the request is submitted by an user with
+// who submits the request, unless the request is submitted by a user with
// administrative rights.
func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
url := listURL(c)