Rename and edit bookmarks in a PDF documentTo edit a bookmark, just follow the steps below.Open a PDF document.Tap on the More button as indicated in the screenshot below. Tap on the Table of Contents button. Tap on the Bookmarks button. Tap on Edit. Choose a bookmark you want to edit.Tap on the Name. Type in the New Name and confirm with Done. Open a PDF document.Tap on the Table of Contents button as indicated in the screenshot below. Tap on the Bookmarks button. Tap on Edit. Choose a bookmark you want to edit.Tap on the Name. Type in the New Name and confirm with Done.