update to match requirements

README.md

-Puri.st account manager
-=======================
+Purist account manager
+======================
 
 A Django site for account registration and management for Puri.st
 services. In particular, user registration creates an LDAP user,
@@ -12,7 +12,7 @@ Prerequisites
 
 * Debian 8
 * Python 3.4 / 3.5
-* Django 1.10
+* Django 1.11
 * Debian packages:
     * `libsasl2-dev`
     * `libldap2-dev`
@@ -46,7 +46,7 @@ For more options and details see <https://docs.djangoproject.com/en/1.11/#the-de
 Migrations
 ----------
 
-This is a workaround for [#155](https://github.com/django-ldapdb/django-ldapdb/issues/115).
+This is a workaround for [django-ldapdb issue #155](https://github.com/django-ldapdb/django-ldapdb/issues/115).
 
 If you need to make a new migration: