# Re: [NTG-context] ToC - right-alignment of roman numerals

```On 2013-06-03 Marco Patzer wrote:
> On 2013–06–03 honyk wrote:
>
> > in fresh MkIV I use the following commands for building ToC, but I
> > have no idea how to align the label (roman numeral) to the right.
>
> The width setting needs to be applied to the chapter list, not the
> content list, see example
>
>
> \setupcombinedlist
>   [content]
>   [alternative=c]
>
> \setupcombinedlist
>   [chapter]
>   [distance=1em,
>    width=1cm,
>    numbercommand={\simplealignedbox{\listparameter{width}}{flushright}}
>   ]
>
> \starttext
> \completecontent
> \chapter{Foo}
> \chapter{Bar}
> \stoptext
> ```
```
Whereas this works for basic test cases, in my document it ends with an error:

structure       > sectioning > title @ level 2 : 0.0 -> \headtext {content}
! Argument of \147>flushright has an extra }.

How can I decode this message and fix the problematic location?

Thanks, Jan

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