(Optional) Click the arrow  next to the text box and choose one or more of the following:

Whole Words Only

Finds only occurrences of the complete word you type in the text box. For example, if you search for the word stick, the words tick and sticky aren’t found.

Case-Sensitive

Finds only occurrences of the words that match the capitalization you type. For example, if you search for the word Web, the words web and WEB aren’t found.

Include Bookmarks

Also searches the text in the Bookmarks panel.

Include Comments

Also searches the text of any comments.

Reader jumps to the first instance of the search term, which appears highlighted.