Editing video details (title, tag, description)

Editing title on the playpage:
The title of your video can be edited on the video's playpage to the right of your current title.

Editing description on the playpage:
You can edit or add a description of your video just beneath your video on its playpage.

Editing title, tag or description on the folders page:
Also, edit the tag, title or description by clicking on My Motionbx -> Videos to open one of your folders. From here you can select the checkbox next to the video you want to edit the tag, title or description of. Click above in the blue bar on "edit" - then "title, tags, description."