Nila has created a report, and now she would like to a create table of contents. Nila has reviewed her report and decides to add text that is not formatted as a heading to the table of contents. She must select the text, format it as a , and then update the table of contents.

The answer is "heading"

Explanation:

Headings, which appear into your document must be marked simply, objectively and correctly because it shows the final report structure and enable to easy access with specific information.  

the answer isn’t:

what do you know?

the file button then you go to insert tab and click insert hyperlink.