about-distro: clarify scope of "Copy" Action
"Copy" actions generally rely on context or proximity to make clear what will be copied. In this case we have neither; the "Copy" button is located far from the text that will be copied, and it lives on a toolbar that's visually separated from the content.
Accordingly, let's clarify the scope of what it does by simply having it tell you.
| Before | After |
|---|---|
 |
 |