To edit the spacing between the entries in your chart legend, follow these steps:

1. Click on the chart to select it.
2. Click on the Layout tab in the ribbon at the top of the screen.
3. Click on Legend to expand the options.
4. Click on Legend Options.
5. In the Text Options section, you will see a Spacing option. Use the up and down arrows to adjust the spacing between the legend entries.
6. Once you have adjusted the spacing to your liking, click Close to apply the changes.

That should do the trick! Let me know if you have any other questions or if there's anything else I can help you with.