Fix incorrect createdb instruction in documentation
@@ -42,7 +42,8 @@ First things first.
#. Create a new PostgreSQL database using createdb_: ::
- $ createdb <what you have entered as the project_slug at setup stage> -U postgres --password <password>
+ $ createdb --username=postgres <project_slug>
+ ``project_slug`` is what you have entered as the project_slug at the setup stage.
.. note::
