diff --git a/openstack/identity/v3/services/requests.go b/openstack/identity/v3/services/requests.go
index 2d93de2..7816aca 100644
--- a/openstack/identity/v3/services/requests.go
+++ b/openstack/identity/v3/services/requests.go
@@ -70,7 +70,7 @@
 	return result
 }
 
-// Update changes the service type of an existing service.s
+// Update changes the service type of an existing service.
 func Update(client *gophercloud.ServiceClient, serviceID string, serviceType string) UpdateResult {
 	type request struct {
 		Type string `json:"type"`