Fixed a few typos
diff --git a/openstack/identity/v2/users/requests.go b/openstack/identity/v2/users/requests.go
index b882d7d..4ce395f 100644
--- a/openstack/identity/v2/users/requests.go
+++ b/openstack/identity/v2/users/requests.go
@@ -114,7 +114,7 @@
 	return result
 }
 
-// UpdateOptsBuilder allows extentions to add additional attributes to the Update request.
+// UpdateOptsBuilder allows extensions to add additional attributes to the Update request.
 type UpdateOptsBuilder interface {
 	ToUserUpdateMap() map[string]interface{}
 }