Clarified meaning of "Optional" in auth.models.User field docs.
@@ -43,11 +43,13 @@ Fields
.. attribute:: first_name
- Optional. 30 characters or fewer.
+ Optional (:attr:`blank=True <django.db.models.Field.blank>`). 30
+ characters or fewer.
.. attribute:: last_name
- Optional. 150 characters or fewer.
+ Optional (:attr:`blank=True <django.db.models.Field.blank>`). 150
+ characters or fewer.
.. versionchanged:: 2.0
@@ -55,7 +57,8 @@ Fields
.. attribute:: email
- Optional. Email address.
+ Optional (:attr:`blank=True <django.db.models.Field.blank>`). Email
+ address.
.. attribute:: password
