synaptic suggestion

[zcat]

> The option is located in the "Software Properties" app that you can find
> in the "Administration" menu. The tooltip says: "Configure software
> channels and updates".
>
>   
Not sure how I missed that, it seems fairly obvious now!!

> https://launchpad.net would have been the correct place.
>   

It didn't really fit the definition of a 'bug'. On reflection, I think 
the menu it's under is probably the right place for it. I didn't realise 
it was accessable directly from the admin menu.