fix typo in comment
diff --git a/openstack/networking/v2/subnets/requests.go b/openstack/networking/v2/subnets/requests.go
index 66f3387..2368bf5 100644
--- a/openstack/networking/v2/subnets/requests.go
+++ b/openstack/networking/v2/subnets/requests.go
@@ -237,7 +237,7 @@
 	return res
 }
 
-// IDFromName is a convienience function that returns a subnet's ID given its name.
+// IDFromName is a convenience function that returns a subnet's ID given its name.
 func IDFromName(client *gophercloud.ServiceClient, name string) (string, error) {
 	subnetCount := 0
 	subnetID := ""