Setting annotation leader line symbol properties

Steps:

1. Click the Editor menu and click Options.
2. Click the Annotation tab.
3. Click the Leader button.
4. Click the Type drop-down arrow and click the type of callout you want to use. The following steps apply to line callouts.
5. Click one of the style buttons to set the style of the leader line.
6. Check Leader.
7. Click the Symbol box underneath Leader to change the color and width of the leader line.
8. Optionally, check the Accent Bar and Border boxes to add them to your leader line symbol. Click Symbol to change those symbol properties.
9. Set the gap, leader tolerance, margins, and any other options.
10. Click OK on all dialog boxes.