Improve readability of a tooltip
The tooltip for Capture the current pop-up only was very wide,
making it hard to read. Changing the wording and adding a line break
improves the situation.
Hover mouse over the checkbox, notice reading the tooltip on two lines
Reviewers: Spectacle, ngraham
Reviewed By: Spectacle, ngraham
Differential Revision: https://phabricator.kde.org/D10372