How to change phpld title seperator

Want to change the seperator between categories in the title tag?

At the moment the phpld generate the title as:
home – category – category – category

If we want our own title, say:
home > category > category > category

We can change the code in /templates/main.tpl

{if $smarty.foreach.path.iteration gt 2}
>
{/if}

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