Ok thank you, just to be sure you know !
Pro tip: Electrum usually has a "
tooltip" on its features which provide sufficient explanations about that feature.
So if you ever need to be sure about a feature in the near future, try to find a "
?" in that particular window/tab.
For example, the "
Expires after (?)" is a tooltip itself (
expressed with '?') and it's clickable;
when clicked, this tooltip will be displayed: