Various fixes to URL paths
diff --git a/openstack/identity/v2/extensions/admin/roles/requests.go b/openstack/identity/v2/extensions/admin/roles/requests.go
index 4765534..152031a 100644
--- a/openstack/identity/v2/extensions/admin/roles/requests.go
+++ b/openstack/identity/v2/extensions/admin/roles/requests.go
@@ -23,7 +23,7 @@
 
 	_, result.Err = perigee.Request("PUT", userRoleURL(client, tenantID, userID, roleID), perigee.Options{
 		MoreHeaders: client.AuthenticatedHeaders(),
-		OkCodes:     []int{201},
+		OkCodes:     []int{200, 201},
 	})
 
 	return result