This is the method to be used to edit the older entries.
Go to the last item on the last page of the contents list. (accessed by clicking only on the contents button, not the drop down menu)
Click on last item (this is the oldest un-revised entry)
Click to edit
The main element of the edit is to provide a headline of one (or two) sentence(s). To do this a readability app can be used: Readable located at:
https://app.readable.com/text/