Assuming the goal of ClickOnce is to ease installation, the computer science term "string" should probably be avoided in the installation dialog that is presented to end users. Every day folks don't know that term. A better phrasing would be: "(Hover
over the text below to see the full domain):"
I'd post this as a Microsoft Connect suggestion, but couldn't find the ClickOnce area.
Adam Kane, Technical Director, ForgeFX, http://www.forgefx.com/