Thank you for replying.
I used the touchup text tool, and I was able to edit the text.
I followed the procedure outlined by Dov. I have a transparent panel (K-0.5%) over a 1pt letter (K-0.5%) on every page.
When I tried to convert an entire file of 491 pages, my computer froze. I can easily do 6 pages at a time, but I don't want to do this for an entire book only to find that I really haven't done anything at all.
Walton