message: Uppercase "YAML" in sidebar download link
diff: @@ -51,7 +51,7 @@ export const SampleYaml = ({sample, loadSampleYaml, downloadSampleYaml}) => {
  <span className="fa fa-fw fa-paste" aria-hidden="true"></span> Try it
  </button>
  <button className="btn btn-link pull-right" onClick={() => downloadSampleYaml(templateName, kind)}>
  - <span className="fa fa-fw fa-download" aria-hidden="true"></span> Download yaml
  + <span className="fa fa-fw fa-download" aria-hidden="true"></span> Download YAML
  </button>
  </li>;
  };
  