* Fix incorrect advice about creating a secret
The existing command does not use code style as required by the style
guide and it is incorrect as rendered. Also, there's an easier way to do
this.
* Add reviewer suggested improvement for secret escaping
Adding sftim's suggestion phrasing explanation of escaping shell special characters.
Co-Authored-By: Tim Bannister <tim@scalefactory.com>
* Make secret escaping instructions consistent