Indicate a comment by means of the .. marker.


.. This is a comment. It is not visible in the documentation build.
   Generally, use it to include TODO within the content followed
   by the initials of the person who is to perform the action.

For example:

.. TODO(OG): add a link to the Decorations section when it is available.

This documentation, is a derivative of RST conventions by OpenStack, used under CC BY.