no Meta data added

I have been going through the tutorial but when I add items (specifically in the Custom Meta-Data bar, nothing appears. I have followed these steps from the Tutorial:

  1. Click on the “Define Meta-Data Fields…” button (alternatively, you can choose “Edit Custom Meta-Data Fields…” from the menu that appears when you click on the gear button in the “Custom Meta-Data” bar, or select “Meta-Data Settings…” from the Project menu and then choose the “Custom Meta-Data” tab).
  2. Click on the “+” button in the bottom-left of the sheet that you’ve opened, and enter “Date” into the row that gets added to the table.
  3. Click on the “+” button again and this time enter “Characters”. For this one, also click on the “Wrap Text” button.
  4. Click “OK” to accept the changes and dismiss the sheet.

Yet, the items “added” do not appear under the Custom Meta-Data bar. I am using a Macbook Air, with OS X El Capitan, Version 10.11.6.

Rodolfo Peña