Adding Excerpts to Your Pages
Page excerpts allows you to display a short description about any post or page below the page title. To do this simply navigate to the page editor for the desired page. Find the 'Excerpt' box and enter your subtitle.
If the excerpt box is not visible, click on the 'Screen Options' button in the top right corner of the screen and check the 'Excerpts' checkbox.
Removing a Page Excerpt
If you have tried to delete a page excerpt and it is still showing, simply enter a blank space into the Excerpt field by pressing the spacebar once or twice. This is create a blank excerpt which will not be shown on your website.