Add information about enabling verbose output

[cweagans]

Description

Relates to/closes #557 .

Related tasks

• Documentation has been updated if applicable
• Tests have been added
• Does not break backwards compatibility OR a BC break has been discussed in the related issue(s).

Other notes

[coveralls]

Pull Request Test Coverage Report for Build 8349203610

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 89.508%

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Totals
Change from base Build 8242533464:	0.0%
Covered Lines:	546
Relevant Lines:	610

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💛 - Coveralls