When you have added a caption in the Description field of the metadata editor located in the Metadata inspector, you can add it to your print.
- Go to the Metadata inspector and either verify the existing caption or add a new one in the Description field in the IPTC - Content section.
- Select File -> Print and go to the Caption panel in the Print dialog window.
- Select Description from the Type drop-down menu.
- Press the Font button to alter the size and font of the caption to be added to your print.