Possible Clues:

• What a divine finish to have such an indecisive finish
• Wrongly named dud bit joined to book
• Missing passage to be appended
• Postscript, e.g.
• A learned divine might start to finish this rider
• Something attached to the end, say of book
• Might this make the dude damn it in supplementary fashion
• Would an adder do to finish you? Um!
• Put on finish with hesitation – seems there's more to come
• Notice dirt raked up under study — that's extra