Transformer configuration can contain spaces: Nope

[rhaladej-cen55759]

Hi, documentation states, that Transformer configuration can contain spaces for better readability and specifically mention OrderSettingsSection

[tool.robotidy]
configure = [
    "OrderSettingsSection: group_order = documentation,imports,settings,tags",
    "OrderSettingsSection: imports_order = library, resource, variables"
]

But it leads to error:

Error: OrderSettingsSection: Invalid 'order' parameter value: 'library, resource, variables'. Custom order should be provided in comma separated list with valid group names:
['library', 'resource', 'variables']