For the Human icons the person who creates those icons made one for the spellcheck toolbar icon. I think what might have happened is the name for the icon changed but the upstream people responsible for the other themes did not fix the name of the icon in their theme.
For the Human icons the person who creates those icons made one for the spellcheck toolbar icon. I think what might have happened is the name for the icon changed but the upstream people responsible for the other themes did not fix the name of the icon in their theme.