Edit & Delete Tags
If you want to delete or rename a tag, click "EDIT" on the "My Tags" box in My Bookmarks section:

Click "Alpha" tab for an alphanumeric display of your tags; "Freq" tab for sorting based on the frequency of usage:

If you want to edit a tag, hover over it with your mouse. A menu will appear to allow "Edit / Delete":

When you are done, click "Save". Your change will then be confirmed:

