Imagine you've copied a slide from the library, using the Reuse Slides task pane, and you see that the slide has a typo. You're sure that no one would argue with your fixing this misspelling on the library version of the slide. To fix it, display the slide in the Reuse Slides task pane again. Right-click the slide thumbnail, click Edit Slide on the shortcut menu, and make your change; then click Save. Click Play to see an animation of the full process.