Our article Uploading a file has already shown you how to upload a file.

1. Click Media on the top menu bar.
2. Find the image whose details you want to edit.
3. Now click
   – the context menu link under Actions.
   or
   – right-click the name of the file.
   A context menu appears.
4. Click Edit.
   The Edit image dialog window appears.
5. Optional: In the Alt-Text box, add an alternative piece of text that describes the image. This text is shown if the image itself cannot be displayed and will be read out if a screen reader is being used.
6. Optional: In the Copyright notice box, add a note about applicable copyright details.
7. Optional: In the Image caption box, add a piece of text that will be shown underneath the image.
8. Optional: You can add some information about the image in the Comment box.
   
9. Click Save to confirm your input.

You have now edited the image details.