1)Select Project > Navigation > External Topic References.
2)Do any of the following:
•To identify external references, select the topic.
•To fix broken links, in References To Selected Topic, select the link. Click Edit and make changes.
•To fix or remove TOC items and entries, in References To Selected Topic, select the item. Click Edit and select a destination, or click Delete.
note: You cannot change index keywords from this dialog box.