Various fixes to URL paths
diff --git a/openstack/identity/v2/extensions/admin/roles/fixtures.go b/openstack/identity/v2/extensions/admin/roles/fixtures.go
index fe78267..a856c02 100644
--- a/openstack/identity/v2/extensions/admin/roles/fixtures.go
+++ b/openstack/identity/v2/extensions/admin/roles/fixtures.go
@@ -10,7 +10,7 @@
 )
 
 func MockListRoleResponse(t *testing.T) {
-	th.Mux.HandleFunc("/OS-KSADMN/roles", func(w http.ResponseWriter, r *http.Request) {
+	th.Mux.HandleFunc("/OS-KSADM/roles", func(w http.ResponseWriter, r *http.Request) {
 		th.TestMethod(t, r, "GET")
 		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)
 
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
diff --git a/openstack/identity/v2/extensions/admin/roles/urls.go b/openstack/identity/v2/extensions/admin/roles/urls.go
index 170658d..61b3155 100644
--- a/openstack/identity/v2/extensions/admin/roles/urls.go
+++ b/openstack/identity/v2/extensions/admin/roles/urls.go
@@ -3,18 +3,19 @@
 import "github.com/rackspace/gophercloud"
 
 const (
-	ExtPath  = "OS-KSADMN/roles"
+	ExtPath  = "OS-KSADM"
+	RolePath = "roles"
 	UserPath = "users"
 )
 
 func resourceURL(c *gophercloud.ServiceClient, id string) string {
-	return c.ServiceURL(ExtPath, id)
+	return c.ServiceURL(ExtPath, RolePath, id)
 }
 
 func rootURL(c *gophercloud.ServiceClient) string {
-	return c.ServiceURL(ExtPath)
+	return c.ServiceURL(ExtPath, RolePath)
 }
 
 func userRoleURL(c *gophercloud.ServiceClient, tenantID, userID, roleID string) string {
-	return c.ServiceURL("tenants", tenantID, UserPath, userID, ExtPath, roleID)
+	return c.ServiceURL("tenants", tenantID, UserPath, userID, RolePath, ExtPath, roleID)
 }