Here's my code:
<dl> <dt>Slovenska portala: </dt> <dd> <ul> <li> <a href="http://www.slo-foto.net" target="_blank">Slo Foto</a> </li> </ul> </dd> <dd> <ul> <li> <a href="http://www.e-fotografija.si" target="_blank">E-fotografija</a> </li> </ul> </dd> </dl> Tuje spletne strani: <ol> <li> <a href="http://www.dpreview.com" target="_blank">dPreview</a> </li> <li> <a href="http://www.gsmarena.com" target="_blank">GsmArena</a> </li> <li> <a href="http://www.phonearena.com" target="_blank">PhoneArena</a> </li> </ol>
The first unordered list is in my opinion good, cause it's not "ordered".

Here is the code , where in second part (ordered list), I get errors.
<dl> <dt>Slovenska portala: </dt> <dd> <ul> <li> <a href="http://www.slo-foto.net" target="_blank">Slo Foto</a> </li> </ul> </dd> <dd> <ul> <li> <a href="http://www.e-fotografija.si" target="_blank">E-fotografija</a> </li> </ul> </dd> <dt>Tuje spletne strani: </dt> <ol> <li> <dd> <a href="http://www.dpreview.com" target="_blank">dPreview</a> </dd> </li> <li> <dd> <a href="http://www.gsmarena.com" target="_blank">GsmArena</a> </dd> </li> <li> <dd> <a href="http://www.phonearena.com" target="_blank">PhoneArena</a> </dd> </li> </ol> </dl>