Add or Edit a Legend Title

You cannot add or delete a legend. You also cannot edit the labels in the legend. You can, however, add or edit the title of the legend.
To add or edit a legend title:
  1. Right-click the legend and select Add (Edit) Title from the pop-up menu. A Legend text box appears next to the legend.
  2. In the text box, enter the text you want for the title. The title cannot exceed 256 characters.
  3. To change the font characteristics, select the title text and use the Formatting toolbar. For details, see Using the Formatting Toolbar.