Description of problem:
1. The RHOSP documentation should carry highlighting proper warning message about the example and syntax on every stack update command.
Reason: Simple mistake in template or copy & paste of example from the document will lead to great disaster of the complete environment.
2. Important prerequisites note to take backup of undercloud DB and Overcloud DB before deploying / upgrading / scaling of openstack nodes.
Reason: Without proper backup of DB may lead to great trouble while recovering back the environment.
Version-Release number of selected component (if applicable):
Almost in all RHOSP releases.