Nothing terribly important - my editor automatically removes trailing
whitespace from the end of lines, and that's what's happening here.

> In docs/api.rst:
>
> >          for obj,r in zip(['m31','m51','m17'],['1"','1"','1"'])]
> >
> > -.. TODO::
> > -
> > +.. TODO::
> > +
>
> Is there a change here? It's probably not important, but I'd like to
> understand.
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/astropy/astroquery/pull/269/files#r8656369>
> .
>