Fixes #2.

Changed 'æ' which was invalid in json to 'ae'.
In definition:
> RES
> Res (rz), n.; pl. Res. Etym: [L.]
> Defn: A thing; the particular thing; a matter; a point. Res gestæ
> Etym: [L., things done] (Law), the facts which form the environment
of a litigated issue. Wharton.
> -- Res judicata [L.] (Law), a thing adjudicated; a matter no longer
 open to controversy.