Everyone on AD313 has space on this blog, and has “editor” rights.
To edit your entry go to the main page of the blog, find your entry (ordered by surname) click on it.
Login and drag and drop your pdf onto your entry… not anywhere else
Remember to hit “Update” before you leave.
This PDF shows screenshots of how to do this: how-to_add_a_pdf
This Video shows how to do this.