Updating Services Simple Question

I have a very very simple question about the updating services. When using multiple service urls, your supposed to seperate the urls with line breaks. Does this mean html line breaks (<br>), or an actual return?
This way;
http://1470.net/api/ping <br>
http://api.feedster.com/ping <br>
or this way;
http://1470.net/api/ping
http://api.feedster.com/ping