allow token/tenantID authentication
diff --git a/openstack/identity/v2/tokens/errors.go b/openstack/identity/v2/tokens/errors.go
index 3a9172e..3dfdc08 100644
--- a/openstack/identity/v2/tokens/errors.go
+++ b/openstack/identity/v2/tokens/errors.go
@@ -18,7 +18,7 @@
// ErrDomainNameProvided is returned if you attempt to authenticate with a DomainName.
ErrDomainNameProvided = unacceptedAttributeErr("DomainName")
- // ErrUsernameRequired is returned if you attempt ot authenticate without a Username.
+ // ErrUsernameRequired is returned if you attempt to authenticate without a Username.
ErrUsernameRequired = errors.New("You must supply a Username in your AuthOptions.")
// ErrPasswordRequired is returned if you don't provide a password.