fix xpath expressions for urban dictionary
fix xpath expressions for urban dictionary

matejc/searx,matejc/searx,misnyo/searx,jcherqui/searx,misnyo/searx,asciimoo/searx,PwnArt1st/searx,jibe-b/searx,potato/searx,asciimoo/searx,asciimoo/searx,jcherqui/searx,matejc/searx,potato/searx,dalf/searx,dalf/searx,dalf/searx,PwnArt1st/searx,jibe-b/searx,jcherqui/searx,PwnArt1st/searx,jibe-b/searx,matejc/searx,dalf/searx,potato/searx,PwnArt1st/searx,asciimoo/searx,misnyo/searx,jcherqui/searx,jibe-b/searx,potato/searx,misnyo/searx