docs: fixup envvar-directive syntax
This directive needs a newline following it to render correctly.
While we're at it, fixup the incorrect indent for one of the descriptions.
Fixes: 0c58ad3e ("docs: use envvar directive more")
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This directive needs a newline following it to render correctly.
While we're at it, fixup the incorrect indent for one of the descriptions.
Fixes: 0c58ad3e ("docs: use envvar directive more")