message: Update harbor-database.md
  Fixed typos.
diff: @@ -9,7 +9,7 @@ Harbor-Database requires specific environment variables to be set in order to st
  * `POSTGRES_PASSWORD`
  * The root password for the postgres database.
  * The default value is `test123`.
  - * This value is retreived from a secret created when Harbor is first setup on a running Lagoon.
  + * This value is retrieved from a secret created when Harbor is first setup on a running Lagoon.
  * `POSTGRES_USER`
  * The default user to be setup when initalizing the postgres service.
  * The default value is `postgres`.
  