How to Update Existing WordPress Tags

1. Visit your WordPress site's login page, which you can usually find at yoursite.com/wp-admin, and log in to your administrator account.
2. Select the 'Posts' tab on the left column of your WordPress dashboard to expand the post settings menu.

3. Click the 'Post Tags' link under the Posts section.
4. Hover your mouse over the tag you want to edit. A sub-menu of options appears beneath the tag link.
5. Click 'Edit' if you want to edit the tag's name and description. If you just want to edit the tag's name, click 'Quick Edit.'
6. Type the new information in the appropriate fields.
7. Click the blue 'Update Tag' button under the edit form to make the changes to your tag permanent.