message: docs: mention that username should be admin to load examples
diff: @@ -129,7 +129,7 @@ superset db upgrade
  Finish installing by running through the following commands:
  ```
  -# Create an admin user (you will be prompted to set a username, first and last name before setting a password)
  +# Create an admin user in your metadata database (use `admin` as username to be able to load the examples)
  $ export FLASK_APP=superset
  superset fab create-admin
  