Update 2014-03-23-how-to-set-up-a-rails-4-1-app-on-aws-with-elastic-beanstalk-and-postgresql.md

Is "optionsettings" supposed to be one word?

The end of this sentence confused me: "By default Rails knows how a secrets.yml file and your production keys and settings should be set as environment variables there"
Merge pull request #1 from venetucci/patch-1

4/24/14 Edits to how-to-set-up-a-rails-4-1-app-on-aws-with-elastic-bean...