im trying to unzip a file is send this command

unzip /var/www/web/scripts/OSWallpaper-beta-1.5.zip /var/www/web/web/www/


then i get this:
Archive: /var/www/web/scripts/OSWallpaper-beta-1.5.zip
caution: filename not matched: /var/www/web/www/


why do i get this error, can you explain?