To rename a bookmark, follow these steps:
1.On the Insert tab, click
Bookmark. When working in macOS, you can also run the Insert > Bookmark command from the command menu.
2.In the Bookmarks window, place the cursor over the bookmark that you want to rename and click
Edit bookmark.
3.Edit the bookmark title and press Enter. If necessary, you can undo or redo the action of editing a bookmark using standard methods.
4.Close the Bookmarks window. To do this, click Close or
in the window title.